Coated bolt carrier group (full auto version) for AR15, M16, or M4 machined from Mil-Spec BCG includes the proper chrome lined and heat treated gas key. Gas key is secured to carrier with 8 fasteners and properly staked and proper gas system functioning. The bolt assembly in 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 chrome finished with firing pin retaining pin and cam pin.
HPT (High Pressure Tested) and MPI (Magnetic Particle Inspected).
Complete Mil-Spec M-16 Bolt Carrier with Bolt Assembly HPT/MPI Tested
- Mil-Spec Chrome Lined Gas Key
- Key Staked with 8 Screws, per Mil-Spec
- Mil-Spec Carpenter 158 Bolt w/ Spring and viton O-ring
- Mil-Spec Firing Pin w/ Chrome Finish
- Mil-Spec Cam Pin
- Full Auto Carrier (Backward compatible with all semi-auto rifles)
- 5.56 BCG
- Backorder Usually ships 1-3 weeks max..