The bolt is a critical part of the bolt carrier group (BCG) in modern firearms, and it works in conjunction with several other key components to ensure the reliable operation of the weapon. The bolt itself is responsible for locking into the barrel extension to seal the chamber, enabling safe and effective firing. Upon firing, the bolt rotates and unlocks, allowing it to retract and thus eject the spent cartridge case while simultaneously cocking the hammer and chambering the next round from the magazine. Key parts of a bolt carrier group include the firing pin, which strikes the primer of the cartridge to ignite the propellant; the cam pin, which fits into the bolt and allows it to rotate and lock as needed; and the extractor, which grips and removes the spent cartridge case from the chamber. Each component must function flawlessly in concert with the others, often under extreme conditions, making the quality and maintenance of these parts crucial for firearm performance and safety.
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Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases the ejection...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2654/5594/BCG_21__40018.1728329700.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 5.56/ 300 Blackout, Dual Ejector, Phosphate\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"4.00 Ounces\",\"value\":4},\"demo\":false,\"date_added\":\"Feb 29th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2654\",\"custom_fields\":[{\"id\":6576,\"name\":\"Finish\",\"value\":\"Phosphate\"},{\"id\":6577,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":6578,\"name\":\"Caliber\",\"value\":\"5.56/300Blk\"},{\"id\":6579,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2654/5594/BCG_21__40018.1728329700.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 5.56/ 300 Blackout, Dual Ejector, Phosphate\"},{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2654/5595/BCG_22__80782.1728329700.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 5.56/ 300 Blackout, Dual Ejector, Phosphate\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$89.95\",\"value\":89.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2654\",\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2819,\"sku\":\"MO-303-0506-003\",\"name\":\"AR15 Bolt, 5.56/ 300 Blackout, NP3\",\"url\":\"https://kakindustry.com/ar15-bolt-5-56-300-blackout-np3/\",\"brand\":null,\"availability\":\"\",\"summary\":\"KAK Industry NP3 Bolt- 5.56/ 300 Blk\\nComplete Assembled Bolt Only\\n\\nBolt- 9310 steel, outside diameters ground to .0002 tolerances, Shot Peened, MPI test, Np3 Finish\\nExtractor- 4140 steel, fully machined, Phosphate coated\\nExtractor pin- S7 tool...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2819/6110/BCG__32300.1729173104.jpg?c=1\",\"alt\":\"AR15 Bolt, 5.56/ 300 Blackout, NP3\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":true,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.01 Ounces\",\"value\":0.01},\"demo\":false,\"date_added\":\"Jun 20th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2819\",\"custom_fields\":[{\"id\":6667,\"name\":\"Caliber\",\"value\":\"5.56/300Blk\"},{\"id\":6668,\"name\":\"Finish\",\"value\":\"NP3\"},{\"id\":6669,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":6670,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":6994,\"name\":\"Type\",\"value\":\"Standard\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2819/6110/BCG__32300.1729173104.jpg?c=1\",\"alt\":\"AR15 Bolt, 5.56/ 300 Blackout, NP3\"},{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2819/5932/BCG_7__79571.1729173103.png?c=1\",\"alt\":\"AR15 Bolt, 5.56/ 300 Blackout, NP3\"},{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2819/5931/BCG_8__37164.1729173103.png?c=1\",\"alt\":\"AR15 Bolt, 5.56/ 300 Blackout, NP3\"}],\"rating\":5,\"num_reviews\":1,\"price\":{\"without_tax\":{\"formatted\":\"$74.95\",\"value\":74.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2847,\"sku\":\"MO-303-0507-005\",\"name\":\"AR15 Bolt- 5.56, DLC Smoked Grey\",\"url\":\"https://kakindustry.com/ar15-bolt-5-56-dlc-smoked-grey/\",\"brand\":null,\"availability\":\"\",\"summary\":\"KAK Industry AR15 Bolt- DLC Smoked Grey\\nAssembled Bolt Only\\nMachined from aircraft/bearing quality 9310 steel, heat treated properly, precision ground, and phosphate finished, MPI Tested and marked\\nExtractor- Machined enhanced billet extractor -...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2847/6331/BCG_AR15_19__70584.1736214380.png?c=1\",\"alt\":\"AR15 Bolt- 5.56, DLC Smoked Grey\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.01 Ounces\",\"value\":0.01},\"demo\":false,\"date_added\":\"Jul 18th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2847\",\"custom_fields\":[{\"id\":6896,\"name\":\"Finish\",\"value\":\"DLC Smoked Grey\"},{\"id\":6897,\"name\":\"Caliber\",\"value\":\"5.56/300Blk\"},{\"id\":6898,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":6899,\"name\":\"Type\",\"value\":\"Standard\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2847/6331/BCG_AR15_19__70584.1736214380.png?c=1\",\"alt\":\"AR15 Bolt- 5.56, DLC Smoked Grey\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2847\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":3055,\"sku\":\"MO-303-0507-006\",\"name\":\"AR15 Bolt- 5.56, FDE PVD\",\"url\":\"https://kakindustry.com/ar15-bolt-5-56-fde-pvd/\",\"brand\":null,\"availability\":\"\",\"summary\":\"KAK Industry AR15 Bolt- FDE PVD\\nAssembled Bolt Only\\nMachined from aircraft/bearing quality 9310 steel, heat treated properly, precision ground, and phosphate finished, MPI Tested and marked\\nExtractor- Machined enhanced billet extractor - phosphate...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/3055/6332/BCG_AR15_20__30499.1736266177.png?c=1\",\"alt\":\"AR15 Bolt- 5.56, FDE PVD\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.01 Ounces\",\"value\":0.01},\"demo\":false,\"date_added\":\"Jan 6th 2025\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=3055\",\"custom_fields\":[{\"id\":6974,\"name\":\"Caliber\",\"value\":\"5.56/300Blk\"},{\"id\":6975,\"name\":\"Finish\",\"value\":\"FDE PVD\"},{\"id\":6976,\"name\":\"Type\",\"value\":\"Standard\"},{\"id\":6977,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/3055/6332/BCG_AR15_20__30499.1736266177.png?c=1\",\"alt\":\"AR15 Bolt- 5.56, FDE PVD\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=3055\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2437,\"sku\":\"MO-303-0505-001\",\"name\":\"AR15 Bolt- 5.56/ 300 Blackout, Full Chrome\",\"url\":\"https://kakindustry.com/ar15-bolt-5-56-300-blackout-full-chrome/\",\"brand\":null,\"availability\":\"\",\"summary\":\"KAK Industry Complete Chrome Bolt- 5.56/ 300 Blk\\nComplete Assembled Bolt Only\\n\\nBolt- 9310 steel, outside diameters ground to .0002 tolerances, Shot Peened, MPI test, Chrome Finish, Heavy Chrome (Machine Gun Chrome)\\nExtractor- 4140 steel, fully machined,...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2437/5066/BLEM_8__91817.1728329697.png?c=1\",\"alt\":\"AR15 Bolt- 5.56/ 300 Blackout, Full Chrome\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":0,\"low_stock_level\":0,\"weight\":{\"formatted\":\"0.01 Ounces\",\"value\":0.01},\"demo\":false,\"date_added\":\"Nov 1st 2023\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2437\",\"out_of_stock_message\":\"Out of stock\",\"custom_fields\":[{\"id\":3386,\"name\":\"Finish\",\"value\":\"Hard Chrome\"},{\"id\":3387,\"name\":\"Caliber\",\"value\":\"5.56/300Blk\"},{\"id\":3388,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":3511,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":4271,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"},{\"id\":6371,\"name\":\"Type\",\"value\":\"Standard\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2437/5066/BLEM_8__91817.1728329697.png?c=1\",\"alt\":\"AR15 Bolt- 5.56/ 300 Blackout, Full Chrome\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2431,\"sku\":\"MO-303-0508-001\",\"name\":\"AR15 Bolt- 5.56/ 300 Blackout, Nickel Boron\",\"url\":\"https://kakindustry.com/ar15-bolt-5-56-300-blackout-nickel-boron/\",\"brand\":null,\"availability\":\"\",\"summary\":\"KAK Industry Complete AR15 Bolt- 5.56/ 300 Blackout, Nickle Boron\\nComplete Assembled Bolt Only\\n\\nBolt is machined from a single piece aircraft/bearing quality 9310 steel, heat treated properly, precision ground, Shot Peened and MPI’d\\nOne Piece...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2431/5060/BLEM_5__81117.1728329696.png?c=1\",\"alt\":\"AR15 Bolt- 5.56/ 300 Blackout, Nickel Boron\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.01 Ounces\",\"value\":0.01},\"demo\":false,\"date_added\":\"Oct 27th 2023\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2431\",\"custom_fields\":[{\"id\":3392,\"name\":\"Finish\",\"value\":\"NIBx\"},{\"id\":3393,\"name\":\"Caliber\",\"value\":\"5.56/300Blk\"},{\"id\":3394,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":3448,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":4268,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"},{\"id\":5021,\"name\":\"Type\",\"value\":\"Standard\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2431/5060/BLEM_5__81117.1728329696.png?c=1\",\"alt\":\"AR15 Bolt- 5.56/ 300 Blackout, Nickel Boron\"},{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2431/5059/BLEM_4__67934.1728329695.png?c=1\",\"alt\":\"AR15 Bolt- 5.56/ 300 Blackout, Nickel Boron\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2431\",\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2797,\"sku\":\"MO-303-3302-002\",\"name\":\"AR15 Bolt- 5.56/ 300 Blackout, C158, Phosphate\",\"url\":\"https://kakindustry.com/ar15-bolt-5-56-300-blackout-c158-phosphate/\",\"brand\":null,\"availability\":\"\",\"summary\":\" \\nKAK Industry AR15 Bolt- C158\\nAssembled Bolt Only\\nMachined from aircraft/bearing quality Carpenter 158 steel, heat treated properly, precision ground, and phosphate finished, MPI Tested and marked\\nExtractor- Machined enhanced billet extractor -...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2797/5803/BCG_6__68344.1728329700.png?c=1\",\"alt\":\"AR15 Bolt- 5.56/ 300 Blackout, C158, Phosphate\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.01 Ounces\",\"value\":0.01},\"demo\":false,\"date_added\":\"May 14th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2797\",\"custom_fields\":[{\"id\":6626,\"name\":\"Caliber\",\"value\":\"5.56/300Blk\"},{\"id\":6627,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":6628,\"name\":\"Finish\",\"value\":\"Phosphate\"},{\"id\":6629,\"name\":\"Bolt Material\",\"value\":\"C158\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2797/5803/BCG_6__68344.1728329700.png?c=1\",\"alt\":\"AR15 Bolt- 5.56/ 300 Blackout, C158, Phosphate\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$54.95\",\"value\":54.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2797\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\"]},{\"id\":2664,\"sku\":\"MO-303-0502-001\",\"name\":\"AR15 Bolt- 5.56/ 300 Blackout, Phosphate\",\"url\":\"https://kakindustry.com/ar15-bolt-5-56-300-blackout-phosphate/\",\"brand\":null,\"availability\":\"\",\"summary\":\"KAK Industry AR15 Bolt\\nAssembled Bolt Only\\nMachined from aircraft/bearing quality 9310 steel, heat treated properly, precision ground, phosphate finished, MPI Tested and marked\\nExtractor- Machined enhanced billet extractor - phosphate coated\\nMachined in...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2664/5665/BCG_100__83033.1728329697.png?c=1\",\"alt\":\"AR15 Bolt- 5.56/ 300 Blackout, Phosphate\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"4.00 Ounces\",\"value\":4},\"demo\":false,\"date_added\":\"Feb 29th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2664\",\"custom_fields\":[{\"id\":3945,\"name\":\"Finish\",\"value\":\"Phosphate\"},{\"id\":3946,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":3947,\"name\":\"Caliber\",\"value\":\"5.56/300Blk\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2664/5665/BCG_100__83033.1728329697.png?c=1\",\"alt\":\"AR15 Bolt- 5.56/ 300 Blackout, Phosphate\"}],\"rating\":5,\"num_reviews\":1,\"price\":{\"without_tax\":{\"formatted\":\"$44.95\",\"value\":44.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2664\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2765,\"sku\":\"MO-303-0506-002\",\"name\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, NP3\",\"url\":\"https://kakindustry.com/k-spec-enhanced-ar15-bolt-7-62x39-dual-ejector-np3/\",\"brand\":null,\"availability\":\"\",\"summary\":\"The K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases the ejection...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2765/5667/BCG_-_2024-04-11T140450.930__06950.1728329701.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, NP3\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Apr 11th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2765\",\"custom_fields\":[{\"id\":6561,\"name\":\"Finish\",\"value\":\"NP3\"},{\"id\":6562,\"name\":\"Caliber\",\"value\":\"7.62x39\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2765/5667/BCG_-_2024-04-11T140450.930__06950.1728329701.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, NP3\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$154.95\",\"value\":154.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2765\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2575,\"sku\":\"MO-303-0505-003\",\"name\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, Full Chrome\",\"url\":\"https://kakindustry.com/k-spec-enhanced-ar15-bolt-7-62x39-dual-ejector-full-chrome/\",\"brand\":null,\"availability\":\"\",\"summary\":\"The K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases the ejection...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2575/5763/BCG_-_2024-05-08T131804.605__20373.1728329697.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, Full Chrome\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.01 Ounces\",\"value\":0.01},\"demo\":false,\"date_added\":\"Feb 6th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2575\",\"custom_fields\":[{\"id\":3642,\"name\":\"Caliber\",\"value\":\"7.62x39\"},{\"id\":3643,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":3644,\"name\":\"Finish\",\"value\":\"Hard Chrome\"},{\"id\":3645,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":4294,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"},{\"id\":5263,\"name\":\"Type\",\"value\":\"K-SPEC ENHANCED\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2575/5763/BCG_-_2024-05-08T131804.605__20373.1728329697.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, Full Chrome\"},{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2575/5764/BCG_-_2024-05-08T131020.368__07511.1728329697.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, Full Chrome\"},{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2575/5333/BCG_98__32340.1728329697.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, Full Chrome\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$134.95\",\"value\":134.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2575\",\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2766,\"sku\":\"MO-303-0507-002\",\"name\":\"K-SPEC Enhance AR15 Bolt- 7.62x39, Dual Ejector, FDE PVD\",\"url\":\"https://kakindustry.com/k-spec-enhance-ar15-bolt-7-62x39-dual-ejector-fde-pvd/\",\"brand\":null,\"availability\":\"\",\"summary\":\"The K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases the ejection...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2766/5671/BCG_-_2024-04-11T163437.048__69036.1728329701.png?c=1\",\"alt\":\"K-SPEC Enhance AR15 Bolt- 7.62x39, Dual Ejector, FDE PVD\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Apr 11th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2766\",\"custom_fields\":[{\"id\":6590,\"name\":\"Caliber\",\"value\":\"7.62x39\"},{\"id\":6591,\"name\":\"Finish\",\"value\":\"FDE PVD\"},{\"id\":6592,\"name\":\"Series\",\"value\":\"K-SPEC ENHANCED BCG\"},{\"id\":6593,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":6594,\"name\":\"Bolt Material\",\"value\":\"9310\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2766/5671/BCG_-_2024-04-11T163437.048__69036.1728329701.png?c=1\",\"alt\":\"K-SPEC Enhance AR15 Bolt- 7.62x39, Dual Ejector, FDE PVD\"}],\"rating\":5,\"num_reviews\":1,\"price\":{\"without_tax\":{\"formatted\":\"$144.95\",\"value\":144.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2766\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2779,\"sku\":\"MO-303-0516-002\",\"name\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, TiN\",\"url\":\"https://kakindustry.com/k-spec-enhanced-ar15-bolt-7-62x39-dual-ejector-tin/\",\"brand\":null,\"availability\":\"\",\"summary\":\"First and foremost, the TiN finish on the extractor is one of the only exceptions to the normal phosphate finish \\n \\nThe K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2779/5759/BCG_-_2024-05-08T090914.958__90697.1728329701.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, TiN\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"May 2nd 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2779\",\"custom_fields\":[{\"id\":6584,\"name\":\"Finish\",\"value\":\"TiN\"},{\"id\":6585,\"name\":\"Caliber\",\"value\":\"7.62x39\"},{\"id\":6595,\"name\":\"Series\",\"value\":\"K_SPEC ENHANCED BCG\"},{\"id\":6596,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":6597,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2779/5759/BCG_-_2024-05-08T090914.958__90697.1728329701.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, TiN\"},{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2779/5738/BCG_-_2024-05-02T184927.194__49787.1728329701.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, TiN\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$144.95\",\"value\":144.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2779\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\",\"tin-bolt-carrier-group\"]},{\"id\":2652,\"sku\":\"MO-303-0502-013\",\"name\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejectors, Phosphate\",\"url\":\"https://kakindustry.com/k-spec-enhanced-ar15-bolt-7-62x39-dual-ejectors-phosphate/\",\"brand\":null,\"availability\":\"\",\"summary\":\"The K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. 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The dual ejector system increases the ejection...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2652/5895/BCG_3__33881.1728329699.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejectors, Phosphate\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"4.00 Ounces\",\"value\":4},\"demo\":false,\"date_added\":\"Feb 29th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2652\",\"custom_fields\":[{\"id\":5426,\"name\":\"Caliber\",\"value\":\"7.62x39\"},{\"id\":5873,\"name\":\"Finish\",\"value\":\"Phosphate\"},{\"id\":6714,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2652/5895/BCG_3__33881.1728329699.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejectors, Phosphate\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$89.95\",\"value\":89.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2652\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2149,\"sku\":\"MO-303-0503-015\",\"name\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, Nitride\",\"url\":\"https://kakindustry.com/k-spec-enhanced-ar15-bolt-7-62x39-dual-ejector-nitride/\",\"brand\":null,\"availability\":\"\",\"summary\":\"The K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases the ejection...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2149/4891/BCG_38__49610.1728329695.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, Nitride\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Jun 21st 2023\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2149\",\"custom_fields\":[{\"id\":2909,\"name\":\"Caliber\",\"value\":\"7.62x39\"},{\"id\":2940,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":3139,\"name\":\"Type\",\"value\":\"K-SPEC ENHANCED\"},{\"id\":3504,\"name\":\"Finish\",\"value\":\"Nitride\"},{\"id\":3505,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":4227,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2149/4891/BCG_38__49610.1728329695.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, Nitride\"},{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2149/4518/KSPEC_for_site_4__22589.1728329695.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, Nitride\"}],\"rating\":5,\"num_reviews\":2,\"price\":{\"without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\",\"sale_price_without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"},\"non_sale_price_without_tax\":{\"formatted\":\"$99.95\",\"value\":99.95,\"currency\":\"USD\"}},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2149\",\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 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Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2455/5114/BCG_63__91458.1728329696.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 450 Bushmaster/ 458 Socom, Dual Ejector, C158, Nitride\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":0,\"low_stock_level\":0,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Nov 15th 2023\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2455\",\"out_of_stock_message\":\"Out of stock\",\"custom_fields\":[{\"id\":3432,\"name\":\"Caliber\",\"value\":\"450/458\"},{\"id\":3433,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":3434,\"name\":\"Finish\",\"value\":\"Nitride\"},{\"id\":3435,\"name\":\"Bolt Material\",\"value\":\"C158\"},{\"id\":4282,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"},{\"id\":5091,\"name\":\"Type\",\"value\":\"K-SPEC ENHANCED\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2455/5114/BCG_63__91458.1728329696.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 450 Bushmaster/ 458 Socom, Dual Ejector, C158, Nitride\"}],\"rating\":5,\"num_reviews\":1,\"price\":{\"without_tax\":{\"formatted\":\"$79.95\",\"value\":79.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\",\"sale_price_without_tax\":{\"formatted\":\"$79.95\",\"value\":79.95,\"currency\":\"USD\"},\"non_sale_price_without_tax\":{\"formatted\":\"$114.95\",\"value\":114.95,\"currency\":\"USD\"}},\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2351,\"sku\":\"MO-303-0503-019\",\"name\":\"K-SPEC Enhanced AR15 Bolt- 450 Bushmaster / 458 SOCOM, Dual Ejector, Nitride\",\"url\":\"https://kakindustry.com/k-spec-enhanced-ar15-bolt-450-bushmaster-458-socom-dual-ejector-nitride/\",\"brand\":null,\"availability\":\"\",\"summary\":\"The K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases the ejection...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2351/4914/BCG_54__74174.1728329697.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 450 Bushmaster / 458 SOCOM, Dual Ejector, Nitride\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Sep 5th 2023\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2351\",\"custom_fields\":[{\"id\":3079,\"name\":\"Caliber\",\"value\":\"450/458\"},{\"id\":3080,\"name\":\"Finish\",\"value\":\"Nitride\"},{\"id\":3114,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":3168,\"name\":\"Type\",\"value\":\"K-SPEC ENHANCED\"},{\"id\":4247,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2351/4914/BCG_54__74174.1728329697.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 450 Bushmaster / 458 SOCOM, Dual Ejector, Nitride\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$62.95\",\"value\":62.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\",\"sale_price_without_tax\":{\"formatted\":\"$62.95\",\"value\":62.95,\"currency\":\"USD\"},\"non_sale_price_without_tax\":{\"formatted\":\"$89.95\",\"value\":89.95,\"currency\":\"USD\"}},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2351\",\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2647,\"sku\":\"MO-303-0502-018\",\"name\":\"Complete Bolt, M16, 450/458, Dual Ejector, Left Hand, 9310, Phosphate\",\"url\":\"https://kakindustry.com/complete-bolt-m16-450-458-dual-ejector-left-hand-9310-phosphate/\",\"brand\":null,\"availability\":\"\",\"summary\":\"\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2647/6058/BCG_35__90915.1725566502.png?c=1\",\"alt\":\"Complete Bolt, M16, 450/458, Dual Ejector, Left Hand, 9310, Phosphate\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":0,\"low_stock_level\":0,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Feb 29th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2647\",\"out_of_stock_message\":\"Out of stock\",\"custom_fields\":[{\"id\":5360,\"name\":\"Tags\",\"value\":\" \"},{\"id\":5874,\"name\":\"Category\",\"value\":\" \"},{\"id\":6831,\"name\":\"Caliber\",\"value\":\"450/458\"},{\"id\":6832,\"name\":\"Finish\",\"value\":\"Phosphate\"},{\"id\":6833,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2647/6058/BCG_35__90915.1725566502.png?c=1\",\"alt\":\"Complete Bolt, M16, 450/458, Dual Ejector, Left Hand, 9310, Phosphate\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$94.95\",\"value\":94.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2345,\"sku\":\"MO-303-0503-009\",\"name\":\"AR15 Bolt- 450 Bushmaster /458 SOCOM\",\"url\":\"https://kakindustry.com/ar15-bolt-450-bushmaster-458-socom/\",\"brand\":null,\"availability\":\"\",\"summary\":\"KAK AR15 Bolt- 450 Bushmaster /458 SOCOM and Similar - Assembled Bolt Only\\n\\nBolt- 9310 steel, outside diameters ground to .0002 tolerances, Shot Peened, MPI test, nitride finish\\nExtractor- 4140 steel, fully machined, Phosphate coated\\nExtractor pin- S7...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2345/4844/450single__65710.1728329695.png?c=1\",\"alt\":\"AR15 Bolt- 450 Bushmaster /458 SOCOM\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":0,\"low_stock_level\":0,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Sep 5th 2023\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2345\",\"out_of_stock_message\":\"Out of stock\",\"custom_fields\":[{\"id\":3091,\"name\":\"Caliber\",\"value\":\"450/458\"},{\"id\":3092,\"name\":\"Finish\",\"value\":\"Nitride\"},{\"id\":3120,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":3488,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":4242,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"},{\"id\":4887,\"name\":\"Type\",\"value\":\"Standard\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2345/4844/450single__65710.1728329695.png?c=1\",\"alt\":\"AR15 Bolt- 450 Bushmaster /458 SOCOM\"},{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2345/4873/BCG_25__59314.1728329695.png?c=1\",\"alt\":\"AR15 Bolt- 450 Bushmaster /458 SOCOM\"}],\"rating\":5,\"num_reviews\":1,\"price\":{\"without_tax\":{\"formatted\":\"$41.95\",\"value\":41.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\",\"sale_price_without_tax\":{\"formatted\":\"$41.95\",\"value\":41.95,\"currency\":\"USD\"},\"non_sale_price_without_tax\":{\"formatted\":\"$59.95\",\"value\":59.95,\"currency\":\"USD\"}},\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2646,\"sku\":\"MO-303-0502-019\",\"name\":\"K-SPEC Enhanced AR15 Bolt- 224/6.8, Dual Ejector, Phosphate\",\"url\":\"https://kakindustry.com/k-spec-enhanced-ar15-bolt-224-6-8-dual-ejector-phosphate/\",\"brand\":null,\"availability\":\"\",\"summary\":\"The K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases the ejection...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2646/6197/BCG_AR15_2__91894.1730992720.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 224/6.8, Dual Ejector, Phosphate\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Feb 29th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2646\",\"custom_fields\":[{\"id\":5350,\"name\":\"Tags\",\"value\":\" \"},{\"id\":5867,\"name\":\"Category\",\"value\":\" \"},{\"id\":6919,\"name\":\"Type\",\"value\":\"K-SPEC ENHANCED\"},{\"id\":6920,\"name\":\"Finish\",\"value\":\"Phosphate\"},{\"id\":6921,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":6922,\"name\":\"Caliber\",\"value\":\".224/6.8\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2646/6197/BCG_AR15_2__91894.1730992720.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 224/6.8, Dual Ejector, Phosphate\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$89.95\",\"value\":89.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2646\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2649,\"sku\":\"MO-303-0502-016\",\"name\":\"AR15 Bolt- 6.5 Grendel II, K-SPEC, Dual Ejector Left Hand, Phosphate\",\"url\":\"https://kakindustry.com/ar15-bolt-6-5-grendel-ii-k-spec-dual-ejector-left-hand-phosphate/\",\"brand\":null,\"availability\":\"\",\"summary\":\"Left Hand Version- \\nCompatible with 6 ARC, 22 ARC, and other 6mm AR15 conversions \\nComplete Assembled Bolt Only\\n\\n\\nType II Bolt Face \\nDual Ejectors \\nBolt- 9310 steel, outside diameters ground to .0002 tolerances, MPI test, Phosphate...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2649/5780/BCG_-_2024-05-13T121533.017__08309.1728329699.png?c=1\",\"alt\":\"AR15 Bolt- 6.5 Grendel II, K-SPEC, Dual Ejector Left Hand, Phosphate\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":0,\"low_stock_level\":0,\"weight\":{\"formatted\":\"4.00 Ounces\",\"value\":4},\"demo\":false,\"date_added\":\"Feb 29th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2649\",\"out_of_stock_message\":\"Out of stock\",\"custom_fields\":[{\"id\":5344,\"name\":\"Caliber\",\"value\":\"6.5 Grendel, 6 ARC, 22 ARC, 6MM, 338 ARC\"},{\"id\":5880,\"name\":\"Finish\",\"value\":\"Phosphate\"},{\"id\":6616,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2649/5780/BCG_-_2024-05-13T121533.017__08309.1728329699.png?c=1\",\"alt\":\"AR15 Bolt- 6.5 Grendel II, K-SPEC, Dual Ejector Left Hand, Phosphate\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$94.95\",\"value\":94.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\"]},{\"id\":2353,\"sku\":\"MO-303-0503-021\",\"name\":\"K-SPEC Enhanced AR15 Bolt 224 Valkyrie / 6.8 SPC, Dual Ejector, Nitride\",\"url\":\"https://kakindustry.com/k-spec-enhanced-ar15-bolt-224-valkyrie-6-8-spc-dual-ejector-nitride/\",\"brand\":null,\"availability\":\"\",\"summary\":\"224 Valkyrie/ 6.8 SPC/ 338 Spectre\\nThe K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2353/4843/224kspec__65649.1728329698.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt 224 Valkyrie / 6.8 SPC, Dual Ejector, Nitride\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Sep 5th 2023\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2353\",\"custom_fields\":[{\"id\":3075,\"name\":\"Caliber\",\"value\":\".224/6.8\"},{\"id\":3076,\"name\":\"Finish\",\"value\":\"Nitride\"},{\"id\":3112,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":3166,\"name\":\"Type\",\"value\":\"K-SPEC ENHANCED\"},{\"id\":3479,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":4248,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier 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SPC\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$41.95\",\"value\":41.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\",\"sale_price_without_tax\":{\"formatted\":\"$41.95\",\"value\":41.95,\"currency\":\"USD\"},\"non_sale_price_without_tax\":{\"formatted\":\"$54.95\",\"value\":54.95,\"currency\":\"USD\"}},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2347\",\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2659,\"sku\":\"MO-303-0502-006\",\"name\":\"Left Hand AR15 Bolt- 6.5 Grendel Type II, Phosphate\",\"url\":\"https://kakindustry.com/left-hand-ar15-bolt-6-5-grendel-type-ii-phosphate/\",\"brand\":null,\"availability\":\"\",\"summary\":\"Left Hand Version\\nKAK AR15 Bolt- 6.5 Grendel Type II\\nCompatible with 6 ARC, 22 ARC, and other 6mm AR15 conversions \\nComplete Assembled Bolt Only\\n\\nType II Bolt Face\\nBolt- 9310 steel, outside diameters ground to .0002 tolerances, MPI test,...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2659/5779/BCG_-_2024-05-13T115415.128__76700.1715619265.png?c=1\",\"alt\":\"Left Hand AR15 Bolt- 6.5 Grendel Type II, Phosphate\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"4.00 Ounces\",\"value\":4},\"demo\":false,\"date_added\":\"Feb 29th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2659\",\"custom_fields\":[{\"id\":3965,\"name\":\"Caliber\",\"value\":\"6.5 Grendel, 6 ARC, 22 ARC, 6MM, 338 ARC\"},{\"id\":3966,\"name\":\"Finish\",\"value\":\"Phosphate\"},{\"id\":3967,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"},{\"id\":3968,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":5420,\"name\":\"Tags\",\"value\":\" \"},{\"id\":5885,\"name\":\"Category\",\"value\":\" \"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2659/5779/BCG_-_2024-05-13T115415.128__76700.1715619265.png?c=1\",\"alt\":\"Left Hand AR15 Bolt- 6.5 Grendel Type II, Phosphate\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$54.95\",\"value\":54.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2659\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\"]},{\"id\":2653,\"sku\":\"MO-303-0502-012\",\"name\":\"Left Hand K-SPEC Enhanced AR15 Bolt, 5.56/300BLK, Dual Ejectors, Phosphate\",\"url\":\"https://kakindustry.com/left-hand-k-spec-enhanced-ar15-bolt-5-56-300blk-dual-ejectors-phosphate/\",\"brand\":null,\"availability\":\"\",\"summary\":\"Left Hand \\nThe K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases the...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2653/6318/BCG_AR15__61188.1735832677.png?c=1\",\"alt\":\"Left Hand K-SPEC Enhanced AR15 Bolt, 5.56/300BLK, Dual Ejectors, Phosphate\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"4.00 Ounces\",\"value\":4},\"demo\":false,\"date_added\":\"Feb 29th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2653\",\"custom_fields\":[{\"id\":5423,\"name\":\"Tags\",\"value\":\" \"},{\"id\":5881,\"name\":\"Category\",\"value\":\" \"},{\"id\":6908,\"name\":\"Caliber\",\"value\":\"5.56/300Blk\"},{\"id\":6909,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"},{\"id\":6910,\"name\":\"Type\",\"value\":\"K-SPEC ENHANCED\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2653/6318/BCG_AR15__61188.1735832677.png?c=1\",\"alt\":\"Left Hand K-SPEC Enhanced AR15 Bolt, 5.56/300BLK, Dual Ejectors, Phosphate\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$104.95\",\"value\":104.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2653\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2663,\"sku\":\"MO-303-0502-002\",\"name\":\"Left Hand AR15 Bolt- 5.56/ 300 Blackout, Phosphate\",\"url\":\"https://kakindustry.com/left-hand-ar15-bolt-5-56-300-blackout-phosphate/\",\"brand\":null,\"availability\":\"\",\"summary\":\"Left Hand Version\\nKAK Industry AR15 Bolt\\nAssembled Bolt Only\\nMachined from aircraft/bearing quality 9310 steel, heat treated properly, precision ground, and phosphate finished, MPI Tested and marked\\nExtractor- Machined enhanced billet extractor -...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2663/6057/BCG_34__82146.1725566047.png?c=1\",\"alt\":\"Left Hand AR15 Bolt- 5.56/ 300 Blackout, Phosphate\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"4.00 Ounces\",\"value\":4},\"demo\":false,\"date_added\":\"Feb 29th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2663\",\"custom_fields\":[{\"id\":3948,\"name\":\"Finish\",\"value\":\"Phosphate\"},{\"id\":3949,\"name\":\"Type\",\"value\":\"Standard\"},{\"id\":3950,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":3951,\"name\":\"Caliber\",\"value\":\"5.56/300Blk\"},{\"id\":5427,\"name\":\"Tags\",\"value\":\" \"},{\"id\":5879,\"name\":\"Category\",\"value\":\" \"},{\"id\":6956,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2663/6057/BCG_34__82146.1725566047.png?c=1\",\"alt\":\"Left Hand AR15 Bolt- 5.56/ 300 Blackout, Phosphate\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$49.95\",\"value\":49.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2663\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2348,\"sku\":\"MO-303-0503-012\",\"name\":\"AR15 Bolt- 224 Valkyrie /6.8 SPC , Left Hand, Nitride\",\"url\":\"https://kakindustry.com/ar15-bolt-224-valkyrie-6-8-spc-left-hand-nitride/\",\"brand\":null,\"availability\":\"\",\"summary\":\"Left Hand Version- 224 Valkyrie/ 6.8 SPC/ 338 Spectre - Assembled Bolt Only\\n\\nBolt- 9310 steel, outside diameters ground to .0002 tolerances, Shot Peened, MPI test, nitride finish\\nExtractor- 4140 steel, fully machined, Phosphate coated\\nExtractor pin- S7...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2348/4847/BCG_3__03565.1728329696.png?c=1\",\"alt\":\"AR15 Bolt- 224 Valkyrie /6.8 SPC , Left Hand, Nitride\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Sep 5th 2023\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2348\",\"custom_fields\":[{\"id\":3085,\"name\":\"Caliber\",\"value\":\".224/6.8\"},{\"id\":3086,\"name\":\"Finish\",\"value\":\"Nitride\"},{\"id\":3117,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"},{\"id\":4244,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"},{\"id\":6377,\"name\":\"Type\",\"value\":\"Standard\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2348/4847/BCG_3__03565.1728329696.png?c=1\",\"alt\":\"AR15 Bolt- 224 Valkyrie /6.8 SPC , Left Hand, Nitride\"},{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2348/4864/BCG_19__50288.1728329696.png?c=1\",\"alt\":\"AR15 Bolt- 224 Valkyrie /6.8 SPC , Left Hand, Nitride\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$48.95\",\"value\":48.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\",\"sale_price_without_tax\":{\"formatted\":\"$48.95\",\"value\":48.95,\"currency\":\"USD\"},\"non_sale_price_without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"}},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2348\",\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2352,\"sku\":\"MO-303-0503-020\",\"name\":\"K-SPEC Enhanced AR15 Left Hand Bolt- 450 Bushmaster/ 458 SOCOM, Dual Ejector, Nitride\",\"url\":\"https://kakindustry.com/k-spec-enhanced-ar15-left-hand-bolt-450-bushmaster-458-socom-dual-ejector-nitride/\",\"brand\":null,\"availability\":\"\",\"summary\":\"Left Hand Version\\nComplete Assembled Bolt Only\\nThe K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2352/4913/BCG_53__28348.1728329697.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Left Hand Bolt- 450 Bushmaster/ 458 SOCOM, Dual Ejector, Nitride\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":0,\"low_stock_level\":0,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Sep 5th 2023\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2352\",\"out_of_stock_message\":\"Out of stock\",\"custom_fields\":[{\"id\":3077,\"name\":\"Caliber\",\"value\":\"450/458\"},{\"id\":3078,\"name\":\"Finish\",\"value\":\"Nitride\"},{\"id\":3113,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"},{\"id\":3167,\"name\":\"Type\",\"value\":\"K-SPEC ENHANCED\"},{\"id\":3480,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":4249,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2352/4913/BCG_53__28348.1728329697.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Left Hand Bolt- 450 Bushmaster/ 458 SOCOM, Dual Ejector, Nitride\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\",\"sale_price_without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"},\"non_sale_price_without_tax\":{\"formatted\":\"$99.95\",\"value\":99.95,\"currency\":\"USD\"}},\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2321,\"sku\":\"MO-303-0503-014\",\"name\":\"K-SPEC Left Hand AR15 Bolt, 5.56/ 300 Blackout, Dual Ejector\",\"url\":\"https://kakindustry.com/k-spec-left-hand-ar15-bolt-5-56-300-blackout-dual-ejector/\",\"brand\":null,\"availability\":\"\",\"summary\":\"Left Hand Version\\nThe K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2321/4889/BCG_37__30781.1728329694.png?c=1\",\"alt\":\"K-SPEC Left Hand AR15 Bolt, 5.56/ 300 Blackout, Dual Ejector\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":0,\"low_stock_level\":0,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Aug 25th 2023\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2321\",\"out_of_stock_message\":\"Out of stock\",\"custom_fields\":[{\"id\":3155,\"name\":\"Caliber\",\"value\":\"5.56/300Blk\"},{\"id\":3157,\"name\":\"Finish\",\"value\":\"Nitride\"},{\"id\":3158,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"},{\"id\":3484,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":4236,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"},{\"id\":4874,\"name\":\"Type\",\"value\":\"K-SPEC ENHANCED\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2321/4889/BCG_37__30781.1728329694.png?c=1\",\"alt\":\"K-SPEC Left Hand AR15 Bolt, 5.56/ 300 Blackout, Dual Ejector\"},{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2321/4781/K-SPEC_NEW_40__08918.1728329694.png?c=1\",\"alt\":\"K-SPEC Left Hand AR15 Bolt, 5.56/ 300 Blackout, Dual Ejector\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\",\"sale_price_without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"},\"non_sale_price_without_tax\":{\"formatted\":\"$99.95\",\"value\":99.95,\"currency\":\"USD\"}},\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2561,\"sku\":\"MO-303-0503-006\",\"name\":\"AR15 Bolt - Left Hand 7.62x39, Nitride\",\"url\":\"https://kakindustry.com/ar15-bolt-left-hand-7-62x39-nitride/\",\"brand\":null,\"availability\":\"\",\"summary\":\"LEFT HAND Version\\nKAK INDUSTRY 7.62x39 COMPLETE BOLT HEAD ONLY\\nMachined in house and assembled using only the finest steels and components.\\nKAK Industry takes pride in producing some of the finest bolts available, made 100% in house at our...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2561/5318/BCG_94__38467.1728329697.png?c=1\",\"alt\":\"AR15 Bolt - Left Hand 7.62x39, Nitride\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Jan 31st 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2561\",\"custom_fields\":[{\"id\":3634,\"name\":\"Caliber\",\"value\":\"7.62x39\"},{\"id\":3635,\"name\":\"Finish\",\"value\":\"Nitride\"},{\"id\":3636,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"},{\"id\":3637,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":4293,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"},{\"id\":6375,\"name\":\"Type\",\"value\":\"Standard\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2561/5318/BCG_94__38467.1728329697.png?c=1\",\"alt\":\"AR15 Bolt - Left Hand 7.62x39, Nitride\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$48.95\",\"value\":48.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\",\"sale_price_without_tax\":{\"formatted\":\"$48.95\",\"value\":48.95,\"currency\":\"USD\"},\"non_sale_price_without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"}},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2561\",\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2354,\"sku\":\"MO-303-0503-022\",\"name\":\"K-SPEC Enhanced Left Hand AR15 Bolt- 224 Valkyrie / 6.8 SPC, Dual Ejector, Nitride\",\"url\":\"https://kakindustry.com/k-spec-enhanced-left-hand-ar15-bolt-224-valkyrie-6-8-spc-dual-ejector-nitride/\",\"brand\":null,\"availability\":\"\",\"summary\":\"Left Hand Version 224 Valkyrie/ 6.8 SPC/ 338 Spectre\\nComplete Assembled Bolt Only\\nThe K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2354/4848/BCG_2__39979.1728329698.png?c=1\",\"alt\":\"K-SPEC Enhanced Left Hand AR15 Bolt- 224 Valkyrie / 6.8 SPC, Dual Ejector, Nitride\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Sep 5th 2023\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2354\",\"custom_fields\":[{\"id\":3073,\"name\":\"Caliber\",\"value\":\".224/6.8\"},{\"id\":3074,\"name\":\"Finish\",\"value\":\"Nitride\"},{\"id\":3111,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"},{\"id\":3478,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":4250,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier 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PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2657,\"sku\":\"MO-303-0502-008\",\"name\":\"Left Hand AR15 Bolt- 450 Bushmaster /458 SOCOM, Phosphate\",\"url\":\"https://kakindustry.com/left-hand-ar15-bolt-450-bushmaster-458-socom-phosphate/\",\"brand\":null,\"availability\":\"\",\"summary\":\"Left Hand Version \\nKAK AR15 Bolt- 450 Bushmaster /458 SOCOM and Similar - Assembled Bolt Only\\n\\nBolt- 9310 steel, outside diameters ground to .0002 tolerances, MPI test, phosphate finish\\nExtractor- 4140 steel, fully machined, Phosphate...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2657/5929/BCG_1__99607.1722023200.png?c=1\",\"alt\":\"Left Hand AR15 Bolt- 450 Bushmaster /458 SOCOM, Phosphate\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":true,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"4.00 Ounces\",\"value\":4},\"demo\":false,\"date_added\":\"Feb 29th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2657\",\"custom_fields\":[{\"id\":3973,\"name\":\"Caliber\",\"value\":\"450/458\"},{\"id\":3974,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":3975,\"name\":\"Finish\",\"value\":\"Phosphate\"},{\"id\":3976,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"},{\"id\":5416,\"name\":\"Tags\",\"value\":\" \"},{\"id\":5870,\"name\":\"Category\",\"value\":\" \"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2657/5929/BCG_1__99607.1722023200.png?c=1\",\"alt\":\"Left Hand AR15 Bolt- 450 Bushmaster /458 SOCOM, Phosphate\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$54.95\",\"value\":54.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2661,\"sku\":\"MO-303-0502-004\",\"name\":\"Left Hand AR15 Bolt- 7.62x39, Phosphate\",\"url\":\"https://kakindustry.com/left-hand-ar15-bolt-7-62x39-phosphate/\",\"brand\":null,\"availability\":\"\",\"summary\":\"Left Hand Version \\nKAK Industry AR15 Bolt\\nAssembled Bolt Only\\nMachined from aircraft/bearing quality 9310 steel, heat treated properly, precision ground, and chrome lined phosphate finished, MPI Tested and marked\\nExtractor- Machined enhanced billet...\",\"image\":null,\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":0,\"low_stock_level\":0,\"weight\":{\"formatted\":\"4.00 Ounces\",\"value\":4},\"demo\":false,\"date_added\":\"Feb 29th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2661\",\"out_of_stock_message\":\"Out of stock\",\"custom_fields\":[{\"id\":3957,\"name\":\"Type\",\"value\":\"Standard\"},{\"id\":3958,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":3959,\"name\":\"Finish\",\"value\":\"Phosphate\"},{\"id\":3960,\"name\":\"Caliber\",\"value\":\"7.62x39\"},{\"id\":5431,\"name\":\"Tags\",\"value\":\" \"},{\"id\":5871,\"name\":\"Category\",\"value\":\" \"},{\"id\":6957,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"}],\"images\":[],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$54.95\",\"value\":54.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2749,\"sku\":\"MO-304-0416-001\",\"name\":\"Carrier Completion Kit, Firing Pin, Retaining Pin, TiN cam pin\",\"url\":\"https://kakindustry.com/carrier-completion-kit-firing-pin-retaining-pin-tin-cam-pin/\",\"brand\":null,\"availability\":\"\",\"summary\":\"AR15 BCG CAM PIN\\n4140 steel, Swiss turned, heat treated, Titanium Nitride (TiN) finish\\nMil-Spec AR15 M16 556 BCG FIRING 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The AR-15 bolt is a critical component of the bolt carrier group (BCG), responsible for the core functions of feeding, chambering, locking, and extracting cartridges in the AR-15 rifle. Machined from high-strength steel, typically Carpenter 158 or 9310 steel, the bolt contains key features like locking lugs, an extractor, an ejector, and a cam pin slot. The locking lugs engage with the barrel extension to securely lock the bolt in place during firing, ensuring safe and efficient energy transfer. The extractor grabs onto the rim of the spent cartridge case, pulling it out of the chamber after firing, while the spring-loaded ejector expels the empty casing out of the ejection port. Additionally, the cam pin slot guides the bolt's rotation, facilitating the unlocking and locking sequence as the bolt carrier group moves back and forth. Bolts are often phosphate or nitride coated for corrosion resistance and durability. Together with the carrier and other components, the AR-15 bolt ensures smooth and reliable semi-automatic or fully automatic cycling, making it an essential part of the rifle's functionality.
A cam pin is an integral component of the bolt carrier group (BCG) in rifles like the AR-15, playing a critical role in the firearm's cycling and locking mechanism. It is a small, cylindrical pin with a flat head, typically made from hardened steel for durability. The cam pin fits through a hole in the bolt and engages with the cam track inside the bolt carrier. As the bolt carrier moves back and forth during the firing cycle, the cam pin rotates the bolt, enabling it to lock and unlock with the barrel extension. This rotation ensures a secure lockup of the bolt when firing, providing safe containment of the high pressures generated. Additionally, the cam pin ensures precise alignment of the firing pin and bolt during cycling. Proper lubrication and maintenance of the cam pin are essential to prevent wear and ensure the reliable operation of the bolt carrier group.
A firing pin is a crucial component of the bolt carrier group (BCG) in firearms, specifically in rifles like the AR-15 and similar models. This slender metal rod is positioned within the bolt of the BCG and plays a vital role in the firearm's firing mechanism. When the shooter pulls the trigger, the hammer strikes the rear end of the firing pin, propelling its forward tip to impact the cartridge primer. This action ignites the primer, setting off the propellant and firing the bullet. The design and material of the firing pin are critical for ensuring reliable ignition while withstanding repeated impacts and the high pressures generated during firing. Some firing pins are hardened to prevent deformation or wear, while others are coated to resist corrosion and fouling. A well-functioning firing pin is essential for the consistent performance and safety of any firearm.
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The dual ejector system increases the ejection...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2654/5594/BCG_21__40018.1728329700.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 5.56/ 300 Blackout, Dual Ejector, Phosphate\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"4.00 Ounces\",\"value\":4},\"demo\":false,\"date_added\":\"Feb 29th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2654\",\"custom_fields\":[{\"id\":6576,\"name\":\"Finish\",\"value\":\"Phosphate\"},{\"id\":6577,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":6578,\"name\":\"Caliber\",\"value\":\"5.56/300Blk\"},{\"id\":6579,\"name\":\"Hand Preference\",\"value\":\"Right 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NP3\",\"url\":\"https://kakindustry.com/ar15-bolt-5-56-300-blackout-np3/\",\"brand\":null,\"availability\":\"\",\"summary\":\"KAK Industry NP3 Bolt- 5.56/ 300 Blk\\nComplete Assembled Bolt Only\\n\\nBolt- 9310 steel, outside diameters ground to .0002 tolerances, Shot Peened, MPI test, Np3 Finish\\nExtractor- 4140 steel, fully machined, Phosphate coated\\nExtractor pin- S7 tool...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2819/6110/BCG__32300.1729173104.jpg?c=1\",\"alt\":\"AR15 Bolt, 5.56/ 300 Blackout, NP3\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":true,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.01 Ounces\",\"value\":0.01},\"demo\":false,\"date_added\":\"Jun 20th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2819\",\"custom_fields\":[{\"id\":6667,\"name\":\"Caliber\",\"value\":\"5.56/300Blk\"},{\"id\":6668,\"name\":\"Finish\",\"value\":\"NP3\"},{\"id\":6669,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":6670,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":6994,\"name\":\"Type\",\"value\":\"Standard\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2819/6110/BCG__32300.1729173104.jpg?c=1\",\"alt\":\"AR15 Bolt, 5.56/ 300 Blackout, NP3\"},{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2819/5932/BCG_7__79571.1729173103.png?c=1\",\"alt\":\"AR15 Bolt, 5.56/ 300 Blackout, NP3\"},{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2819/5931/BCG_8__37164.1729173103.png?c=1\",\"alt\":\"AR15 Bolt, 5.56/ 300 Blackout, NP3\"}],\"rating\":5,\"num_reviews\":1,\"price\":{\"without_tax\":{\"formatted\":\"$74.95\",\"value\":74.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2847,\"sku\":\"MO-303-0507-005\",\"name\":\"AR15 Bolt- 5.56, DLC Smoked Grey\",\"url\":\"https://kakindustry.com/ar15-bolt-5-56-dlc-smoked-grey/\",\"brand\":null,\"availability\":\"\",\"summary\":\"KAK Industry AR15 Bolt- DLC Smoked Grey\\nAssembled Bolt Only\\nMachined from aircraft/bearing quality 9310 steel, heat treated properly, precision ground, and phosphate finished, MPI Tested and marked\\nExtractor- Machined enhanced billet extractor -...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2847/6331/BCG_AR15_19__70584.1736214380.png?c=1\",\"alt\":\"AR15 Bolt- 5.56, DLC Smoked Grey\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.01 Ounces\",\"value\":0.01},\"demo\":false,\"date_added\":\"Jul 18th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2847\",\"custom_fields\":[{\"id\":6896,\"name\":\"Finish\",\"value\":\"DLC Smoked Grey\"},{\"id\":6897,\"name\":\"Caliber\",\"value\":\"5.56/300Blk\"},{\"id\":6898,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":6899,\"name\":\"Type\",\"value\":\"Standard\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2847/6331/BCG_AR15_19__70584.1736214380.png?c=1\",\"alt\":\"AR15 Bolt- 5.56, DLC Smoked Grey\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2847\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":3055,\"sku\":\"MO-303-0507-006\",\"name\":\"AR15 Bolt- 5.56, FDE PVD\",\"url\":\"https://kakindustry.com/ar15-bolt-5-56-fde-pvd/\",\"brand\":null,\"availability\":\"\",\"summary\":\"KAK Industry AR15 Bolt- FDE PVD\\nAssembled Bolt Only\\nMachined from aircraft/bearing quality 9310 steel, heat treated properly, precision ground, and phosphate finished, MPI Tested and marked\\nExtractor- Machined enhanced billet extractor - phosphate...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/3055/6332/BCG_AR15_20__30499.1736266177.png?c=1\",\"alt\":\"AR15 Bolt- 5.56, FDE PVD\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.01 Ounces\",\"value\":0.01},\"demo\":false,\"date_added\":\"Jan 6th 2025\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=3055\",\"custom_fields\":[{\"id\":6974,\"name\":\"Caliber\",\"value\":\"5.56/300Blk\"},{\"id\":6975,\"name\":\"Finish\",\"value\":\"FDE PVD\"},{\"id\":6976,\"name\":\"Type\",\"value\":\"Standard\"},{\"id\":6977,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/3055/6332/BCG_AR15_20__30499.1736266177.png?c=1\",\"alt\":\"AR15 Bolt- 5.56, FDE PVD\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=3055\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2437,\"sku\":\"MO-303-0505-001\",\"name\":\"AR15 Bolt- 5.56/ 300 Blackout, Full Chrome\",\"url\":\"https://kakindustry.com/ar15-bolt-5-56-300-blackout-full-chrome/\",\"brand\":null,\"availability\":\"\",\"summary\":\"KAK Industry Complete Chrome Bolt- 5.56/ 300 Blk\\nComplete Assembled Bolt Only\\n\\nBolt- 9310 steel, outside diameters ground to .0002 tolerances, Shot Peened, MPI test, Chrome Finish, Heavy Chrome (Machine Gun Chrome)\\nExtractor- 4140 steel, fully machined,...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2437/5066/BLEM_8__91817.1728329697.png?c=1\",\"alt\":\"AR15 Bolt- 5.56/ 300 Blackout, Full Chrome\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":0,\"low_stock_level\":0,\"weight\":{\"formatted\":\"0.01 Ounces\",\"value\":0.01},\"demo\":false,\"date_added\":\"Nov 1st 2023\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2437\",\"out_of_stock_message\":\"Out of stock\",\"custom_fields\":[{\"id\":3386,\"name\":\"Finish\",\"value\":\"Hard Chrome\"},{\"id\":3387,\"name\":\"Caliber\",\"value\":\"5.56/300Blk\"},{\"id\":3388,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":3511,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":4271,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"},{\"id\":6371,\"name\":\"Type\",\"value\":\"Standard\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2437/5066/BLEM_8__91817.1728329697.png?c=1\",\"alt\":\"AR15 Bolt- 5.56/ 300 Blackout, Full Chrome\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2431,\"sku\":\"MO-303-0508-001\",\"name\":\"AR15 Bolt- 5.56/ 300 Blackout, Nickel Boron\",\"url\":\"https://kakindustry.com/ar15-bolt-5-56-300-blackout-nickel-boron/\",\"brand\":null,\"availability\":\"\",\"summary\":\"KAK Industry Complete AR15 Bolt- 5.56/ 300 Blackout, Nickle Boron\\nComplete Assembled Bolt Only\\n\\nBolt is machined from a single piece aircraft/bearing quality 9310 steel, heat treated properly, precision ground, Shot Peened and MPI’d\\nOne Piece...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2431/5060/BLEM_5__81117.1728329696.png?c=1\",\"alt\":\"AR15 Bolt- 5.56/ 300 Blackout, Nickel Boron\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.01 Ounces\",\"value\":0.01},\"demo\":false,\"date_added\":\"Oct 27th 2023\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2431\",\"custom_fields\":[{\"id\":3392,\"name\":\"Finish\",\"value\":\"NIBx\"},{\"id\":3393,\"name\":\"Caliber\",\"value\":\"5.56/300Blk\"},{\"id\":3394,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":3448,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":4268,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"},{\"id\":5021,\"name\":\"Type\",\"value\":\"Standard\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2431/5060/BLEM_5__81117.1728329696.png?c=1\",\"alt\":\"AR15 Bolt- 5.56/ 300 Blackout, Nickel Boron\"},{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2431/5059/BLEM_4__67934.1728329695.png?c=1\",\"alt\":\"AR15 Bolt- 5.56/ 300 Blackout, Nickel Boron\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2431\",\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2797,\"sku\":\"MO-303-3302-002\",\"name\":\"AR15 Bolt- 5.56/ 300 Blackout, C158, Phosphate\",\"url\":\"https://kakindustry.com/ar15-bolt-5-56-300-blackout-c158-phosphate/\",\"brand\":null,\"availability\":\"\",\"summary\":\" \\nKAK Industry AR15 Bolt- C158\\nAssembled Bolt Only\\nMachined from aircraft/bearing quality Carpenter 158 steel, heat treated properly, precision ground, and phosphate finished, MPI Tested and marked\\nExtractor- Machined enhanced billet extractor -...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2797/5803/BCG_6__68344.1728329700.png?c=1\",\"alt\":\"AR15 Bolt- 5.56/ 300 Blackout, C158, Phosphate\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.01 Ounces\",\"value\":0.01},\"demo\":false,\"date_added\":\"May 14th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2797\",\"custom_fields\":[{\"id\":6626,\"name\":\"Caliber\",\"value\":\"5.56/300Blk\"},{\"id\":6627,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":6628,\"name\":\"Finish\",\"value\":\"Phosphate\"},{\"id\":6629,\"name\":\"Bolt Material\",\"value\":\"C158\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2797/5803/BCG_6__68344.1728329700.png?c=1\",\"alt\":\"AR15 Bolt- 5.56/ 300 Blackout, C158, Phosphate\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$54.95\",\"value\":54.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2797\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\"]},{\"id\":2664,\"sku\":\"MO-303-0502-001\",\"name\":\"AR15 Bolt- 5.56/ 300 Blackout, Phosphate\",\"url\":\"https://kakindustry.com/ar15-bolt-5-56-300-blackout-phosphate/\",\"brand\":null,\"availability\":\"\",\"summary\":\"KAK Industry AR15 Bolt\\nAssembled Bolt Only\\nMachined from aircraft/bearing quality 9310 steel, heat treated properly, precision ground, phosphate finished, MPI Tested and marked\\nExtractor- Machined enhanced billet extractor - phosphate coated\\nMachined in...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2664/5665/BCG_100__83033.1728329697.png?c=1\",\"alt\":\"AR15 Bolt- 5.56/ 300 Blackout, Phosphate\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"4.00 Ounces\",\"value\":4},\"demo\":false,\"date_added\":\"Feb 29th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2664\",\"custom_fields\":[{\"id\":3945,\"name\":\"Finish\",\"value\":\"Phosphate\"},{\"id\":3946,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":3947,\"name\":\"Caliber\",\"value\":\"5.56/300Blk\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2664/5665/BCG_100__83033.1728329697.png?c=1\",\"alt\":\"AR15 Bolt- 5.56/ 300 Blackout, Phosphate\"}],\"rating\":5,\"num_reviews\":1,\"price\":{\"without_tax\":{\"formatted\":\"$44.95\",\"value\":44.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2664\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2765,\"sku\":\"MO-303-0506-002\",\"name\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, NP3\",\"url\":\"https://kakindustry.com/k-spec-enhanced-ar15-bolt-7-62x39-dual-ejector-np3/\",\"brand\":null,\"availability\":\"\",\"summary\":\"The K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases the ejection...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2765/5667/BCG_-_2024-04-11T140450.930__06950.1728329701.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, NP3\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Apr 11th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2765\",\"custom_fields\":[{\"id\":6561,\"name\":\"Finish\",\"value\":\"NP3\"},{\"id\":6562,\"name\":\"Caliber\",\"value\":\"7.62x39\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2765/5667/BCG_-_2024-04-11T140450.930__06950.1728329701.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, NP3\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$154.95\",\"value\":154.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2765\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2575,\"sku\":\"MO-303-0505-003\",\"name\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, Full Chrome\",\"url\":\"https://kakindustry.com/k-spec-enhanced-ar15-bolt-7-62x39-dual-ejector-full-chrome/\",\"brand\":null,\"availability\":\"\",\"summary\":\"The K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases the ejection...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2575/5763/BCG_-_2024-05-08T131804.605__20373.1728329697.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, Full Chrome\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.01 Ounces\",\"value\":0.01},\"demo\":false,\"date_added\":\"Feb 6th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2575\",\"custom_fields\":[{\"id\":3642,\"name\":\"Caliber\",\"value\":\"7.62x39\"},{\"id\":3643,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":3644,\"name\":\"Finish\",\"value\":\"Hard Chrome\"},{\"id\":3645,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":4294,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"},{\"id\":5263,\"name\":\"Type\",\"value\":\"K-SPEC ENHANCED\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2575/5763/BCG_-_2024-05-08T131804.605__20373.1728329697.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, Full Chrome\"},{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2575/5764/BCG_-_2024-05-08T131020.368__07511.1728329697.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, Full Chrome\"},{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2575/5333/BCG_98__32340.1728329697.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, Full Chrome\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$134.95\",\"value\":134.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2575\",\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2766,\"sku\":\"MO-303-0507-002\",\"name\":\"K-SPEC Enhance AR15 Bolt- 7.62x39, Dual Ejector, FDE PVD\",\"url\":\"https://kakindustry.com/k-spec-enhance-ar15-bolt-7-62x39-dual-ejector-fde-pvd/\",\"brand\":null,\"availability\":\"\",\"summary\":\"The K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases the ejection...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2766/5671/BCG_-_2024-04-11T163437.048__69036.1728329701.png?c=1\",\"alt\":\"K-SPEC Enhance AR15 Bolt- 7.62x39, Dual Ejector, FDE PVD\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Apr 11th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2766\",\"custom_fields\":[{\"id\":6590,\"name\":\"Caliber\",\"value\":\"7.62x39\"},{\"id\":6591,\"name\":\"Finish\",\"value\":\"FDE PVD\"},{\"id\":6592,\"name\":\"Series\",\"value\":\"K-SPEC ENHANCED BCG\"},{\"id\":6593,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":6594,\"name\":\"Bolt Material\",\"value\":\"9310\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2766/5671/BCG_-_2024-04-11T163437.048__69036.1728329701.png?c=1\",\"alt\":\"K-SPEC Enhance AR15 Bolt- 7.62x39, Dual Ejector, FDE PVD\"}],\"rating\":5,\"num_reviews\":1,\"price\":{\"without_tax\":{\"formatted\":\"$144.95\",\"value\":144.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2766\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2779,\"sku\":\"MO-303-0516-002\",\"name\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, TiN\",\"url\":\"https://kakindustry.com/k-spec-enhanced-ar15-bolt-7-62x39-dual-ejector-tin/\",\"brand\":null,\"availability\":\"\",\"summary\":\"First and foremost, the TiN finish on the extractor is one of the only exceptions to the normal phosphate finish \\n \\nThe K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2779/5759/BCG_-_2024-05-08T090914.958__90697.1728329701.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, TiN\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"May 2nd 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2779\",\"custom_fields\":[{\"id\":6584,\"name\":\"Finish\",\"value\":\"TiN\"},{\"id\":6585,\"name\":\"Caliber\",\"value\":\"7.62x39\"},{\"id\":6595,\"name\":\"Series\",\"value\":\"K_SPEC ENHANCED BCG\"},{\"id\":6596,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":6597,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2779/5759/BCG_-_2024-05-08T090914.958__90697.1728329701.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, TiN\"},{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2779/5738/BCG_-_2024-05-02T184927.194__49787.1728329701.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, TiN\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$144.95\",\"value\":144.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2779\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\",\"tin-bolt-carrier-group\"]},{\"id\":2652,\"sku\":\"MO-303-0502-013\",\"name\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejectors, Phosphate\",\"url\":\"https://kakindustry.com/k-spec-enhanced-ar15-bolt-7-62x39-dual-ejectors-phosphate/\",\"brand\":null,\"availability\":\"\",\"summary\":\"The K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. 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The dual ejector system increases the ejection...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2652/5895/BCG_3__33881.1728329699.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejectors, Phosphate\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"4.00 Ounces\",\"value\":4},\"demo\":false,\"date_added\":\"Feb 29th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2652\",\"custom_fields\":[{\"id\":5426,\"name\":\"Caliber\",\"value\":\"7.62x39\"},{\"id\":5873,\"name\":\"Finish\",\"value\":\"Phosphate\"},{\"id\":6714,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2652/5895/BCG_3__33881.1728329699.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejectors, Phosphate\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$89.95\",\"value\":89.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2652\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2149,\"sku\":\"MO-303-0503-015\",\"name\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, Nitride\",\"url\":\"https://kakindustry.com/k-spec-enhanced-ar15-bolt-7-62x39-dual-ejector-nitride/\",\"brand\":null,\"availability\":\"\",\"summary\":\"The K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases the ejection...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2149/4891/BCG_38__49610.1728329695.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, Nitride\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Jun 21st 2023\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2149\",\"custom_fields\":[{\"id\":2909,\"name\":\"Caliber\",\"value\":\"7.62x39\"},{\"id\":2940,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":3139,\"name\":\"Type\",\"value\":\"K-SPEC ENHANCED\"},{\"id\":3504,\"name\":\"Finish\",\"value\":\"Nitride\"},{\"id\":3505,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":4227,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2149/4891/BCG_38__49610.1728329695.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, Nitride\"},{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2149/4518/KSPEC_for_site_4__22589.1728329695.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 7.62x39, Dual Ejector, Nitride\"}],\"rating\":5,\"num_reviews\":2,\"price\":{\"without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\",\"sale_price_without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"},\"non_sale_price_without_tax\":{\"formatted\":\"$99.95\",\"value\":99.95,\"currency\":\"USD\"}},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2149\",\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 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Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2455/5114/BCG_63__91458.1728329696.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 450 Bushmaster/ 458 Socom, Dual Ejector, C158, Nitride\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":0,\"low_stock_level\":0,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Nov 15th 2023\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2455\",\"out_of_stock_message\":\"Out of stock\",\"custom_fields\":[{\"id\":3432,\"name\":\"Caliber\",\"value\":\"450/458\"},{\"id\":3433,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":3434,\"name\":\"Finish\",\"value\":\"Nitride\"},{\"id\":3435,\"name\":\"Bolt Material\",\"value\":\"C158\"},{\"id\":4282,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"},{\"id\":5091,\"name\":\"Type\",\"value\":\"K-SPEC ENHANCED\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2455/5114/BCG_63__91458.1728329696.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 450 Bushmaster/ 458 Socom, Dual Ejector, C158, Nitride\"}],\"rating\":5,\"num_reviews\":1,\"price\":{\"without_tax\":{\"formatted\":\"$79.95\",\"value\":79.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\",\"sale_price_without_tax\":{\"formatted\":\"$79.95\",\"value\":79.95,\"currency\":\"USD\"},\"non_sale_price_without_tax\":{\"formatted\":\"$114.95\",\"value\":114.95,\"currency\":\"USD\"}},\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2351,\"sku\":\"MO-303-0503-019\",\"name\":\"K-SPEC Enhanced AR15 Bolt- 450 Bushmaster / 458 SOCOM, Dual Ejector, Nitride\",\"url\":\"https://kakindustry.com/k-spec-enhanced-ar15-bolt-450-bushmaster-458-socom-dual-ejector-nitride/\",\"brand\":null,\"availability\":\"\",\"summary\":\"The K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases the ejection...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2351/4914/BCG_54__74174.1728329697.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 450 Bushmaster / 458 SOCOM, Dual Ejector, Nitride\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Sep 5th 2023\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2351\",\"custom_fields\":[{\"id\":3079,\"name\":\"Caliber\",\"value\":\"450/458\"},{\"id\":3080,\"name\":\"Finish\",\"value\":\"Nitride\"},{\"id\":3114,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":3168,\"name\":\"Type\",\"value\":\"K-SPEC ENHANCED\"},{\"id\":4247,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2351/4914/BCG_54__74174.1728329697.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 450 Bushmaster / 458 SOCOM, Dual Ejector, Nitride\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$62.95\",\"value\":62.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\",\"sale_price_without_tax\":{\"formatted\":\"$62.95\",\"value\":62.95,\"currency\":\"USD\"},\"non_sale_price_without_tax\":{\"formatted\":\"$89.95\",\"value\":89.95,\"currency\":\"USD\"}},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2351\",\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2647,\"sku\":\"MO-303-0502-018\",\"name\":\"Complete Bolt, M16, 450/458, Dual Ejector, Left Hand, 9310, Phosphate\",\"url\":\"https://kakindustry.com/complete-bolt-m16-450-458-dual-ejector-left-hand-9310-phosphate/\",\"brand\":null,\"availability\":\"\",\"summary\":\"\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2647/6058/BCG_35__90915.1725566502.png?c=1\",\"alt\":\"Complete Bolt, M16, 450/458, Dual Ejector, Left Hand, 9310, Phosphate\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":0,\"low_stock_level\":0,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Feb 29th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2647\",\"out_of_stock_message\":\"Out of stock\",\"custom_fields\":[{\"id\":5360,\"name\":\"Tags\",\"value\":\" \"},{\"id\":5874,\"name\":\"Category\",\"value\":\" \"},{\"id\":6831,\"name\":\"Caliber\",\"value\":\"450/458\"},{\"id\":6832,\"name\":\"Finish\",\"value\":\"Phosphate\"},{\"id\":6833,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2647/6058/BCG_35__90915.1725566502.png?c=1\",\"alt\":\"Complete Bolt, M16, 450/458, Dual Ejector, Left Hand, 9310, Phosphate\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$94.95\",\"value\":94.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2345,\"sku\":\"MO-303-0503-009\",\"name\":\"AR15 Bolt- 450 Bushmaster /458 SOCOM\",\"url\":\"https://kakindustry.com/ar15-bolt-450-bushmaster-458-socom/\",\"brand\":null,\"availability\":\"\",\"summary\":\"KAK AR15 Bolt- 450 Bushmaster /458 SOCOM and Similar - Assembled Bolt Only\\n\\nBolt- 9310 steel, outside diameters ground to .0002 tolerances, Shot Peened, MPI test, nitride finish\\nExtractor- 4140 steel, fully machined, Phosphate coated\\nExtractor pin- S7...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2345/4844/450single__65710.1728329695.png?c=1\",\"alt\":\"AR15 Bolt- 450 Bushmaster /458 SOCOM\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":0,\"low_stock_level\":0,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Sep 5th 2023\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2345\",\"out_of_stock_message\":\"Out of stock\",\"custom_fields\":[{\"id\":3091,\"name\":\"Caliber\",\"value\":\"450/458\"},{\"id\":3092,\"name\":\"Finish\",\"value\":\"Nitride\"},{\"id\":3120,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":3488,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":4242,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"},{\"id\":4887,\"name\":\"Type\",\"value\":\"Standard\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2345/4844/450single__65710.1728329695.png?c=1\",\"alt\":\"AR15 Bolt- 450 Bushmaster /458 SOCOM\"},{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2345/4873/BCG_25__59314.1728329695.png?c=1\",\"alt\":\"AR15 Bolt- 450 Bushmaster /458 SOCOM\"}],\"rating\":5,\"num_reviews\":1,\"price\":{\"without_tax\":{\"formatted\":\"$41.95\",\"value\":41.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\",\"sale_price_without_tax\":{\"formatted\":\"$41.95\",\"value\":41.95,\"currency\":\"USD\"},\"non_sale_price_without_tax\":{\"formatted\":\"$59.95\",\"value\":59.95,\"currency\":\"USD\"}},\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2646,\"sku\":\"MO-303-0502-019\",\"name\":\"K-SPEC Enhanced AR15 Bolt- 224/6.8, Dual Ejector, Phosphate\",\"url\":\"https://kakindustry.com/k-spec-enhanced-ar15-bolt-224-6-8-dual-ejector-phosphate/\",\"brand\":null,\"availability\":\"\",\"summary\":\"The K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases the ejection...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2646/6197/BCG_AR15_2__91894.1730992720.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 224/6.8, Dual Ejector, Phosphate\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Feb 29th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2646\",\"custom_fields\":[{\"id\":5350,\"name\":\"Tags\",\"value\":\" \"},{\"id\":5867,\"name\":\"Category\",\"value\":\" \"},{\"id\":6919,\"name\":\"Type\",\"value\":\"K-SPEC ENHANCED\"},{\"id\":6920,\"name\":\"Finish\",\"value\":\"Phosphate\"},{\"id\":6921,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":6922,\"name\":\"Caliber\",\"value\":\".224/6.8\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2646/6197/BCG_AR15_2__91894.1730992720.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt- 224/6.8, Dual Ejector, Phosphate\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$89.95\",\"value\":89.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2646\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2649,\"sku\":\"MO-303-0502-016\",\"name\":\"AR15 Bolt- 6.5 Grendel II, K-SPEC, Dual Ejector Left Hand, Phosphate\",\"url\":\"https://kakindustry.com/ar15-bolt-6-5-grendel-ii-k-spec-dual-ejector-left-hand-phosphate/\",\"brand\":null,\"availability\":\"\",\"summary\":\"Left Hand Version- \\nCompatible with 6 ARC, 22 ARC, and other 6mm AR15 conversions \\nComplete Assembled Bolt Only\\n\\n\\nType II Bolt Face \\nDual Ejectors \\nBolt- 9310 steel, outside diameters ground to .0002 tolerances, MPI test, Phosphate...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2649/5780/BCG_-_2024-05-13T121533.017__08309.1728329699.png?c=1\",\"alt\":\"AR15 Bolt- 6.5 Grendel II, K-SPEC, Dual Ejector Left Hand, Phosphate\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":0,\"low_stock_level\":0,\"weight\":{\"formatted\":\"4.00 Ounces\",\"value\":4},\"demo\":false,\"date_added\":\"Feb 29th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2649\",\"out_of_stock_message\":\"Out of stock\",\"custom_fields\":[{\"id\":5344,\"name\":\"Caliber\",\"value\":\"6.5 Grendel, 6 ARC, 22 ARC, 6MM, 338 ARC\"},{\"id\":5880,\"name\":\"Finish\",\"value\":\"Phosphate\"},{\"id\":6616,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2649/5780/BCG_-_2024-05-13T121533.017__08309.1728329699.png?c=1\",\"alt\":\"AR15 Bolt- 6.5 Grendel II, K-SPEC, Dual Ejector Left Hand, Phosphate\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$94.95\",\"value\":94.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\"]},{\"id\":2353,\"sku\":\"MO-303-0503-021\",\"name\":\"K-SPEC Enhanced AR15 Bolt 224 Valkyrie / 6.8 SPC, Dual Ejector, Nitride\",\"url\":\"https://kakindustry.com/k-spec-enhanced-ar15-bolt-224-valkyrie-6-8-spc-dual-ejector-nitride/\",\"brand\":null,\"availability\":\"\",\"summary\":\"224 Valkyrie/ 6.8 SPC/ 338 Spectre\\nThe K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2353/4843/224kspec__65649.1728329698.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Bolt 224 Valkyrie / 6.8 SPC, Dual Ejector, Nitride\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Sep 5th 2023\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2353\",\"custom_fields\":[{\"id\":3075,\"name\":\"Caliber\",\"value\":\".224/6.8\"},{\"id\":3076,\"name\":\"Finish\",\"value\":\"Nitride\"},{\"id\":3112,\"name\":\"Hand Preference\",\"value\":\"Right Hand\"},{\"id\":3166,\"name\":\"Type\",\"value\":\"K-SPEC ENHANCED\"},{\"id\":3479,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":4248,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier 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SPC\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$41.95\",\"value\":41.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\",\"sale_price_without_tax\":{\"formatted\":\"$41.95\",\"value\":41.95,\"currency\":\"USD\"},\"non_sale_price_without_tax\":{\"formatted\":\"$54.95\",\"value\":54.95,\"currency\":\"USD\"}},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2347\",\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2659,\"sku\":\"MO-303-0502-006\",\"name\":\"Left Hand AR15 Bolt- 6.5 Grendel Type II, Phosphate\",\"url\":\"https://kakindustry.com/left-hand-ar15-bolt-6-5-grendel-type-ii-phosphate/\",\"brand\":null,\"availability\":\"\",\"summary\":\"Left Hand Version\\nKAK AR15 Bolt- 6.5 Grendel Type II\\nCompatible with 6 ARC, 22 ARC, and other 6mm AR15 conversions \\nComplete Assembled Bolt Only\\n\\nType II Bolt Face\\nBolt- 9310 steel, outside diameters ground to .0002 tolerances, MPI test,...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2659/5779/BCG_-_2024-05-13T115415.128__76700.1715619265.png?c=1\",\"alt\":\"Left Hand AR15 Bolt- 6.5 Grendel Type II, Phosphate\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"4.00 Ounces\",\"value\":4},\"demo\":false,\"date_added\":\"Feb 29th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2659\",\"custom_fields\":[{\"id\":3965,\"name\":\"Caliber\",\"value\":\"6.5 Grendel, 6 ARC, 22 ARC, 6MM, 338 ARC\"},{\"id\":3966,\"name\":\"Finish\",\"value\":\"Phosphate\"},{\"id\":3967,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"},{\"id\":3968,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":5420,\"name\":\"Tags\",\"value\":\" \"},{\"id\":5885,\"name\":\"Category\",\"value\":\" \"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2659/5779/BCG_-_2024-05-13T115415.128__76700.1715619265.png?c=1\",\"alt\":\"Left Hand AR15 Bolt- 6.5 Grendel Type II, Phosphate\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$54.95\",\"value\":54.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2659\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\"]},{\"id\":2653,\"sku\":\"MO-303-0502-012\",\"name\":\"Left Hand K-SPEC Enhanced AR15 Bolt, 5.56/300BLK, Dual Ejectors, Phosphate\",\"url\":\"https://kakindustry.com/left-hand-k-spec-enhanced-ar15-bolt-5-56-300blk-dual-ejectors-phosphate/\",\"brand\":null,\"availability\":\"\",\"summary\":\"Left Hand \\nThe K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases the...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2653/6318/BCG_AR15__61188.1735832677.png?c=1\",\"alt\":\"Left Hand K-SPEC Enhanced AR15 Bolt, 5.56/300BLK, Dual Ejectors, Phosphate\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"4.00 Ounces\",\"value\":4},\"demo\":false,\"date_added\":\"Feb 29th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2653\",\"custom_fields\":[{\"id\":5423,\"name\":\"Tags\",\"value\":\" \"},{\"id\":5881,\"name\":\"Category\",\"value\":\" \"},{\"id\":6908,\"name\":\"Caliber\",\"value\":\"5.56/300Blk\"},{\"id\":6909,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"},{\"id\":6910,\"name\":\"Type\",\"value\":\"K-SPEC ENHANCED\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2653/6318/BCG_AR15__61188.1735832677.png?c=1\",\"alt\":\"Left Hand K-SPEC Enhanced AR15 Bolt, 5.56/300BLK, Dual Ejectors, Phosphate\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$104.95\",\"value\":104.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2653\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2663,\"sku\":\"MO-303-0502-002\",\"name\":\"Left Hand AR15 Bolt- 5.56/ 300 Blackout, Phosphate\",\"url\":\"https://kakindustry.com/left-hand-ar15-bolt-5-56-300-blackout-phosphate/\",\"brand\":null,\"availability\":\"\",\"summary\":\"Left Hand Version\\nKAK Industry AR15 Bolt\\nAssembled Bolt Only\\nMachined from aircraft/bearing quality 9310 steel, heat treated properly, precision ground, and phosphate finished, MPI Tested and marked\\nExtractor- Machined enhanced billet extractor -...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2663/6057/BCG_34__82146.1725566047.png?c=1\",\"alt\":\"Left Hand AR15 Bolt- 5.56/ 300 Blackout, Phosphate\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"4.00 Ounces\",\"value\":4},\"demo\":false,\"date_added\":\"Feb 29th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2663\",\"custom_fields\":[{\"id\":3948,\"name\":\"Finish\",\"value\":\"Phosphate\"},{\"id\":3949,\"name\":\"Type\",\"value\":\"Standard\"},{\"id\":3950,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":3951,\"name\":\"Caliber\",\"value\":\"5.56/300Blk\"},{\"id\":5427,\"name\":\"Tags\",\"value\":\" \"},{\"id\":5879,\"name\":\"Category\",\"value\":\" \"},{\"id\":6956,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2663/6057/BCG_34__82146.1725566047.png?c=1\",\"alt\":\"Left Hand AR15 Bolt- 5.56/ 300 Blackout, Phosphate\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$49.95\",\"value\":49.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2663\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2348,\"sku\":\"MO-303-0503-012\",\"name\":\"AR15 Bolt- 224 Valkyrie /6.8 SPC , Left Hand, Nitride\",\"url\":\"https://kakindustry.com/ar15-bolt-224-valkyrie-6-8-spc-left-hand-nitride/\",\"brand\":null,\"availability\":\"\",\"summary\":\"Left Hand Version- 224 Valkyrie/ 6.8 SPC/ 338 Spectre - Assembled Bolt Only\\n\\nBolt- 9310 steel, outside diameters ground to .0002 tolerances, Shot Peened, MPI test, nitride finish\\nExtractor- 4140 steel, fully machined, Phosphate coated\\nExtractor pin- S7...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2348/4847/BCG_3__03565.1728329696.png?c=1\",\"alt\":\"AR15 Bolt- 224 Valkyrie /6.8 SPC , Left Hand, Nitride\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Sep 5th 2023\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2348\",\"custom_fields\":[{\"id\":3085,\"name\":\"Caliber\",\"value\":\".224/6.8\"},{\"id\":3086,\"name\":\"Finish\",\"value\":\"Nitride\"},{\"id\":3117,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"},{\"id\":4244,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"},{\"id\":6377,\"name\":\"Type\",\"value\":\"Standard\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2348/4847/BCG_3__03565.1728329696.png?c=1\",\"alt\":\"AR15 Bolt- 224 Valkyrie /6.8 SPC , Left Hand, Nitride\"},{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2348/4864/BCG_19__50288.1728329696.png?c=1\",\"alt\":\"AR15 Bolt- 224 Valkyrie /6.8 SPC , Left Hand, Nitride\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$48.95\",\"value\":48.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\",\"sale_price_without_tax\":{\"formatted\":\"$48.95\",\"value\":48.95,\"currency\":\"USD\"},\"non_sale_price_without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"}},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2348\",\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2352,\"sku\":\"MO-303-0503-020\",\"name\":\"K-SPEC Enhanced AR15 Left Hand Bolt- 450 Bushmaster/ 458 SOCOM, Dual Ejector, Nitride\",\"url\":\"https://kakindustry.com/k-spec-enhanced-ar15-left-hand-bolt-450-bushmaster-458-socom-dual-ejector-nitride/\",\"brand\":null,\"availability\":\"\",\"summary\":\"Left Hand Version\\nComplete Assembled Bolt Only\\nThe K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2352/4913/BCG_53__28348.1728329697.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Left Hand Bolt- 450 Bushmaster/ 458 SOCOM, Dual Ejector, Nitride\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":0,\"low_stock_level\":0,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Sep 5th 2023\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2352\",\"out_of_stock_message\":\"Out of stock\",\"custom_fields\":[{\"id\":3077,\"name\":\"Caliber\",\"value\":\"450/458\"},{\"id\":3078,\"name\":\"Finish\",\"value\":\"Nitride\"},{\"id\":3113,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"},{\"id\":3167,\"name\":\"Type\",\"value\":\"K-SPEC ENHANCED\"},{\"id\":3480,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":4249,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2352/4913/BCG_53__28348.1728329697.png?c=1\",\"alt\":\"K-SPEC Enhanced AR15 Left Hand Bolt- 450 Bushmaster/ 458 SOCOM, Dual Ejector, Nitride\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\",\"sale_price_without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"},\"non_sale_price_without_tax\":{\"formatted\":\"$99.95\",\"value\":99.95,\"currency\":\"USD\"}},\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2321,\"sku\":\"MO-303-0503-014\",\"name\":\"K-SPEC Left Hand AR15 Bolt, 5.56/ 300 Blackout, Dual Ejector\",\"url\":\"https://kakindustry.com/k-spec-left-hand-ar15-bolt-5-56-300-blackout-dual-ejector/\",\"brand\":null,\"availability\":\"\",\"summary\":\"Left Hand Version\\nThe K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2321/4889/BCG_37__30781.1728329694.png?c=1\",\"alt\":\"K-SPEC Left Hand AR15 Bolt, 5.56/ 300 Blackout, Dual Ejector\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":0,\"low_stock_level\":0,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Aug 25th 2023\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2321\",\"out_of_stock_message\":\"Out of stock\",\"custom_fields\":[{\"id\":3155,\"name\":\"Caliber\",\"value\":\"5.56/300Blk\"},{\"id\":3157,\"name\":\"Finish\",\"value\":\"Nitride\"},{\"id\":3158,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"},{\"id\":3484,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":4236,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"},{\"id\":4874,\"name\":\"Type\",\"value\":\"K-SPEC ENHANCED\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2321/4889/BCG_37__30781.1728329694.png?c=1\",\"alt\":\"K-SPEC Left Hand AR15 Bolt, 5.56/ 300 Blackout, Dual Ejector\"},{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2321/4781/K-SPEC_NEW_40__08918.1728329694.png?c=1\",\"alt\":\"K-SPEC Left Hand AR15 Bolt, 5.56/ 300 Blackout, Dual Ejector\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\",\"sale_price_without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"},\"non_sale_price_without_tax\":{\"formatted\":\"$99.95\",\"value\":99.95,\"currency\":\"USD\"}},\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2561,\"sku\":\"MO-303-0503-006\",\"name\":\"AR15 Bolt - Left Hand 7.62x39, Nitride\",\"url\":\"https://kakindustry.com/ar15-bolt-left-hand-7-62x39-nitride/\",\"brand\":null,\"availability\":\"\",\"summary\":\"LEFT HAND Version\\nKAK INDUSTRY 7.62x39 COMPLETE BOLT HEAD ONLY\\nMachined in house and assembled using only the finest steels and components.\\nKAK Industry takes pride in producing some of the finest bolts available, made 100% in house at our...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2561/5318/BCG_94__38467.1728329697.png?c=1\",\"alt\":\"AR15 Bolt - Left Hand 7.62x39, Nitride\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Jan 31st 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2561\",\"custom_fields\":[{\"id\":3634,\"name\":\"Caliber\",\"value\":\"7.62x39\"},{\"id\":3635,\"name\":\"Finish\",\"value\":\"Nitride\"},{\"id\":3636,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"},{\"id\":3637,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":4293,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"},{\"id\":6375,\"name\":\"Type\",\"value\":\"Standard\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2561/5318/BCG_94__38467.1728329697.png?c=1\",\"alt\":\"AR15 Bolt - Left Hand 7.62x39, Nitride\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$48.95\",\"value\":48.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\",\"sale_price_without_tax\":{\"formatted\":\"$48.95\",\"value\":48.95,\"currency\":\"USD\"},\"non_sale_price_without_tax\":{\"formatted\":\"$69.95\",\"value\":69.95,\"currency\":\"USD\"}},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2561\",\"category\":[\"AR-15 PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2354,\"sku\":\"MO-303-0503-022\",\"name\":\"K-SPEC Enhanced Left Hand AR15 Bolt- 224 Valkyrie / 6.8 SPC, Dual Ejector, Nitride\",\"url\":\"https://kakindustry.com/k-spec-enhanced-left-hand-ar15-bolt-224-valkyrie-6-8-spc-dual-ejector-nitride/\",\"brand\":null,\"availability\":\"\",\"summary\":\"Left Hand Version 224 Valkyrie/ 6.8 SPC/ 338 Spectre\\nComplete Assembled Bolt Only\\nThe K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2354/4848/BCG_2__39979.1728329698.png?c=1\",\"alt\":\"K-SPEC Enhanced Left Hand AR15 Bolt- 224 Valkyrie / 6.8 SPC, Dual Ejector, Nitride\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Sep 5th 2023\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2354\",\"custom_fields\":[{\"id\":3073,\"name\":\"Caliber\",\"value\":\".224/6.8\"},{\"id\":3074,\"name\":\"Finish\",\"value\":\"Nitride\"},{\"id\":3111,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"},{\"id\":3478,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":4250,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier 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PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2657,\"sku\":\"MO-303-0502-008\",\"name\":\"Left Hand AR15 Bolt- 450 Bushmaster /458 SOCOM, Phosphate\",\"url\":\"https://kakindustry.com/left-hand-ar15-bolt-450-bushmaster-458-socom-phosphate/\",\"brand\":null,\"availability\":\"\",\"summary\":\"Left Hand Version \\nKAK AR15 Bolt- 450 Bushmaster /458 SOCOM and Similar - Assembled Bolt Only\\n\\nBolt- 9310 steel, outside diameters ground to .0002 tolerances, MPI test, phosphate finish\\nExtractor- 4140 steel, fully machined, Phosphate...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2657/5929/BCG_1__99607.1722023200.png?c=1\",\"alt\":\"Left Hand AR15 Bolt- 450 Bushmaster /458 SOCOM, Phosphate\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":true,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"4.00 Ounces\",\"value\":4},\"demo\":false,\"date_added\":\"Feb 29th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2657\",\"custom_fields\":[{\"id\":3973,\"name\":\"Caliber\",\"value\":\"450/458\"},{\"id\":3974,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":3975,\"name\":\"Finish\",\"value\":\"Phosphate\"},{\"id\":3976,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"},{\"id\":5416,\"name\":\"Tags\",\"value\":\" \"},{\"id\":5870,\"name\":\"Category\",\"value\":\" \"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2657/5929/BCG_1__99607.1722023200.png?c=1\",\"alt\":\"Left Hand AR15 Bolt- 450 Bushmaster /458 SOCOM, Phosphate\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$54.95\",\"value\":54.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2661,\"sku\":\"MO-303-0502-004\",\"name\":\"Left Hand AR15 Bolt- 7.62x39, Phosphate\",\"url\":\"https://kakindustry.com/left-hand-ar15-bolt-7-62x39-phosphate/\",\"brand\":null,\"availability\":\"\",\"summary\":\"Left Hand Version \\nKAK Industry AR15 Bolt\\nAssembled Bolt Only\\nMachined from aircraft/bearing quality 9310 steel, heat treated properly, precision ground, and chrome lined phosphate finished, MPI Tested and marked\\nExtractor- Machined enhanced billet...\",\"image\":null,\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":0,\"low_stock_level\":0,\"weight\":{\"formatted\":\"4.00 Ounces\",\"value\":4},\"demo\":false,\"date_added\":\"Feb 29th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2661\",\"out_of_stock_message\":\"Out of stock\",\"custom_fields\":[{\"id\":3957,\"name\":\"Type\",\"value\":\"Standard\"},{\"id\":3958,\"name\":\"Bolt Material\",\"value\":\"9310\"},{\"id\":3959,\"name\":\"Finish\",\"value\":\"Phosphate\"},{\"id\":3960,\"name\":\"Caliber\",\"value\":\"7.62x39\"},{\"id\":5431,\"name\":\"Tags\",\"value\":\" \"},{\"id\":5871,\"name\":\"Category\",\"value\":\" \"},{\"id\":6957,\"name\":\"Hand Preference\",\"value\":\"Left Hand\"}],\"images\":[],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$54.95\",\"value\":54.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/AR-15 BOLTS\"]},{\"id\":2749,\"sku\":\"MO-304-0416-001\",\"name\":\"Carrier Completion Kit, Firing Pin, Retaining Pin, TiN cam pin\",\"url\":\"https://kakindustry.com/carrier-completion-kit-firing-pin-retaining-pin-tin-cam-pin/\",\"brand\":null,\"availability\":\"\",\"summary\":\"AR15 BCG CAM PIN\\n4140 steel, Swiss turned, heat treated, Titanium Nitride (TiN) finish\\nMil-Spec AR15 M16 556 BCG FIRING PIN\\nMachined to the Mil-spec Print from High Qulity 8740 Steel, Precision ground, Properly heat treated, Chrome plated\\nMaterial- High...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2749/5736/BCG_-_2024-05-02T131302.493__83357.1728329712.png?c=1\",\"alt\":\"Carrier Completion Kit, Firing Pin, Retaining Pin, TiN cam pin\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"1.00 Ounces\",\"value\":1},\"demo\":false,\"date_added\":\"Apr 8th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2749\",\"custom_fields\":[{\"id\":6582,\"name\":\"Finish\",\"value\":\"TiN\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2749/5736/BCG_-_2024-05-02T131302.493__83357.1728329712.png?c=1\",\"alt\":\"Carrier Completion Kit, Firing Pin, Retaining Pin, TiN cam pin\"}],\"rating\":0,\"num_reviews\":0,\"price\":{\"without_tax\":{\"formatted\":\"$15.95\",\"value\":15.95,\"currency\":\"USD\"},\"tax_label\":\"Tax\"},\"add_to_cart_url\":\"https://kakindustry.com/cart.php?action=add&product_id=2749\",\"category\":[\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/FIRING PINS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/CAM PINS\",\"AR-15 PARTS/BOLT CARRIER GROUP/BOLTS & BCG PARTS/SMALL PARTS\"]},{\"id\":2558,\"sku\":\"MO-304-1010-003\",\"name\":\"Carrier Completion Kit, Firing Pin, Retaining Pin, Full Chrome cam pin\",\"url\":\"https://kakindustry.com/carrier-completion-kit-firing-pin-retaining-pin-full-chrome-cam-pin/\",\"brand\":null,\"availability\":\"\",\"summary\":\"AR15 BCG CAM PIN\\n4140 steel, Swiss turned, heat treated, Hard Chrome finish\\nMil-Spec AR15 M16 556 BCG FIRING PIN\\nMachined to the Mil-spec Print from High Qulity 8740 Steel, Precision ground, Properly heat treated, Chrome plated\\nMaterial- High Quality...\",\"image\":{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2558/5305/BCG_85__50799.1705949592.png?c=1\",\"alt\":\"Carrier Completion Kit, M16, Chrome cam pin\"},\"qty_in_cart\":0,\"pre_order\":false,\"has_options\":false,\"show_cart_action\":true,\"stock_level\":null,\"low_stock_level\":null,\"weight\":{\"formatted\":\"0.00 Ounces\",\"value\":0},\"demo\":false,\"date_added\":\"Jan 19th 2024\",\"add_to_wishlist_url\":\"/wishlist.php?action=add&product_id=2558\",\"custom_fields\":[{\"id\":4292,\"name\":\"Category\",\"value\":\"AR-15 Parts, Bolt Carrier Group\"},{\"id\":5194,\"name\":\"Tags\",\"value\":\" \"},{\"id\":6658,\"name\":\"Finish\",\"value\":\"Hard Chrome\"}],\"images\":[{\"data\":\"https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/{:size}/products/2558/5305/BCG_85__50799.1705949592.png?c=1\",\"alt\":\"Carrier Completion Kit, M16, Chrome cam 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The AR-15 bolt is a critical component of the bolt carrier group (BCG), responsible for the core functions of feeding, chambering, locking, and extracting cartridges in the AR-15 rifle. Machined from high-strength steel, typically Carpenter 158 or 9310 steel, the bolt contains key features like locking lugs, an extractor, an ejector, and a cam pin slot. The locking lugs engage with the barrel extension to securely lock the bolt in place during firing, ensuring safe and efficient energy transfer. The extractor grabs onto the rim of the spent cartridge case, pulling it out of the chamber after firing, while the spring-loaded ejector expels the empty casing out of the ejection port. Additionally, the cam pin slot guides the bolt's rotation, facilitating the unlocking and locking sequence as the bolt carrier group moves back and forth. Bolts are often phosphate or nitride coated for corrosion resistance and durability. Together with the carrier and other components, the AR-15 bolt ensures smooth and reliable semi-automatic or fully automatic cycling, making it an essential part of the rifle's functionality.
A cam pin is an integral component of the bolt carrier group (BCG) in rifles like the AR-15, playing a critical role in the firearm's cycling and locking mechanism. It is a small, cylindrical pin with a flat head, typically made from hardened steel for durability. The cam pin fits through a hole in the bolt and engages with the cam track inside the bolt carrier. As the bolt carrier moves back and forth during the firing cycle, the cam pin rotates the bolt, enabling it to lock and unlock with the barrel extension. This rotation ensures a secure lockup of the bolt when firing, providing safe containment of the high pressures generated. Additionally, the cam pin ensures precise alignment of the firing pin and bolt during cycling. Proper lubrication and maintenance of the cam pin are essential to prevent wear and ensure the reliable operation of the bolt carrier group.
A firing pin is a crucial component of the bolt carrier group (BCG) in firearms, specifically in rifles like the AR-15 and similar models. This slender metal rod is positioned within the bolt of the BCG and plays a vital role in the firearm's firing mechanism. When the shooter pulls the trigger, the hammer strikes the rear end of the firing pin, propelling its forward tip to impact the cartridge primer. This action ignites the primer, setting off the propellant and firing the bullet. The design and material of the firing pin are critical for ensuring reliable ignition while withstanding repeated impacts and the high pressures generated during firing. Some firing pins are hardened to prevent deformation or wear, while others are coated to resist corrosion and fouling. A well-functioning firing pin is essential for the consistent performance and safety of any firearm.