AR15 BCG- 5.56/300 Blackout, Chrome Lined Phosphate, OEM

(1 review)
Current Stock:
Adding to cart… The item has been added

Chrome Lined Phosphate Finish BCG, Unmarked

  • 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
  • KAK Carrier Key Screws- T25 drive, Grade 8, Properly Heat Treated
Chrome Lined Phosphate
Bolt Material:
Standard BCG
Hand Preference:
Right Hand


  • 5

    Posted by Thomas Hobbs on May 25, 2024

    I thought I wouldn't like this BCG at first but it solved all my problems. I was told to try OEM parts on a difficult build and that was the right answer. Don't mess with perfection.