- M16 Auto Profile Carrier Machined from Aircraft/ Bearing Quality 8620 Steel, Properly Heat Treated, Ground to Perfection, BlackNitride Finish by H&M
- Bolt is machined from a single piece aircraft/bearing quality 9310 steel, heat treated properly, precision ground, Shot Peened and MPI’d
- 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
- Nitride Cam Pin
- S7 tool steel ejector and extractor retaining pin
- 4130 Gas Key, nitride, precision staked using our hydraulic staking machine
- KAK Carrier Key Screws- T25 drive, Grade 8, Properly Heat Treated
- Caliber:
- 450/458
- Hand Preference:
- Right Hand
- Finish:
- Nitride
- Bolt Material:
- 9310
- Category:
- AR-15 Parts, Bolt Carrier Group
- Type:
- STANDARD BCG