Cryptic Coatings 7.62/.308 Carpenter 158 HPT/MPI Bolt Carrier Group, Mystic Gold - CC-0201
- .308 WIN/ 7.62x51mm
- Machined from 8620 Aircraft Quality Steel
- Chrome Lined Carrier Interior
- Chrome Lined Gas Key
- Carpenter 158 Bolt
Coated bolt carrier group (full auto version) for AR15, M16, or M4 machined from Mil-Spec 8620 aircraft quality steel with shrouded firing pin and Mil-Spec chrome lined interior. BCG includes the proper chrome lined and heat treated gas key. Gas key is secured to carrier with Grade 8 fasteners and properly staked per Mil-Specs. This insures a strong staking and proper gas system functioning. The bolt assembly is CNC machined from Mil-Spec Carpenter No. 158® steel and shot peened for increased strength per Mil-Spec; includes tool steel extractor with spring and viton O-ring; firing pin chromed finished with firing pin retaining pin and cam pin.