AR15 BCG- 5.56/300 Blackout, Chrome Lined Phosphate

(2 reviews)
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Chrome Lined Phosphate Finish BCG

  • M16 Auto Profile Carrier Machined from Aircraft/ Bearing Quality 8620 Steel, Properly Heat Treated, Ground to Perfection, chrome lined phosphate finish
  • Bolt is machined from a single piece aircraft/bearing quality 9310 steel, heat treated properly, precision ground, Shot Peened and MPI’d, phosphate finsh 
  • Firing pin is machined to the mil-spec print from 8740, precision ground, and chrome plated
  • One Piece Billet Fully Machined Enhanced Extractor, Phosphate coated for Increased reliability and corrosion resistance
  • Phosphate Cam Pin
  • S7 tool steel ejector and extractor retaining pin
  • 4130 Gas Key, chrome lined phosphate, precision staked using our hydraulic staking machine, chrome lined phosphate finish
  • KAK Carrier Key Screws- T25 drive, Grade 8, Properly Heat Treated
Chrome Lined Phosphate
Hand Preference:
Right Hand
Bolt Material:


  • 5
    Product for use and resale

    Posted by HomeTown Defense LLc on July 12, 2024

    I love these BCG's. They work better then most we use. Packaging is great. We use these in many of our builds. Great product. Thank You

  • 5
    556 BGG

    Posted by Troy Crawford on April 18, 2024

    Best BCG I’ve owned runs Flawlessly