![KAK Complete AR15 Upper Receiver - 9mm - 5.25" Barrel -4" MLOK KAK Complete AR15 Upper Receiver - 9mm - 5.25" Barrel -4" MLOK](https://cdn11.bigcommerce.com/s-pompwzlgb8/images/stencil/300x300/products/2016/4399/Untitled_design_20__42265.1684420715.png?c=1)
Upper
- Barrel Length- 4”
- Barrel Material- 41V50 Button Rifled Barrel
- Chamber 9MM NATO
- Twist Rate 1:10
- Muzzle Device Milspec A2 birdcage 1/2-36
- Gas System- Blowback
- Upper Receiver- Forged 7075 T6 Aluminum, Precision Machined to M16/M4 Spec
- Handguard- 2.9”, High Quality 6061 T6 Material Mlok with Proprietary Clamping System and Heavy-Duty Barrel Nut
- Charging Handle- Milspec with Enhanced Large Billet Latch
- BCG
- One piece BCG
- Auto Profile Carrier Machined from Aircraft/ Bearing Quality 8620 Steel, Properly Heat Treated, Ground to Perfection, BlackNitride Finish by H&M
- Firing pin is machined from 8740, precision ground, and chrome plated
- One Piece Billet Fully Machined Enhanced Extractor, Phosphate coated for Increased reliability and corrosion resistance
- S7 tool steel ejector and extractor retaining pin
- 4130 Gas Key, nitride, precision staked using our hydraulic staking machine
- Carrier key screws- Grade 8, Properly Heat Treated and staked
All KAK complete upper receivers are test fired for feed and function using commercially loaded ammunition
- Caliber:
- 9MM
- Platform:
- AR15
- Category:
- Upper Receivers, AR-15 Upper Receivers
- Tags: