The FailZero M16 Bolt Carrier Group is a complete, drop-in replacement BCG for AR-15 and M16 platform rifles.
- Part Type: Complete bolt carrier group
- Compatible Firearms: AR-15, M16, and mil-spec AR platform rifles
- Material: 8620 steel carrier, 9310 steel bolt
- Finish: EXO nickel boron coating (all contact surfaces)
- Profile: M16 full-auto
- Testing: MPI and HPT tested
- Installation: Drop-in
- Includes: Carrier, bolt assembly, cam pin, firing pin, firing pin retaining pin
