The FailZero AR-15 Bolt Carrier Group replaces your factory BCG with a component engineered for reduced friction and enhanced reliability.
- Part Type: Bolt Carrier Group (BCG)
- Compatible Firearms: Mil-Spec AR-15, M16
- Material: Carpenter 158 Steel (Bolt), 8620 Steel (Carrier)
- Finish: EXO Nickel Boron Coating
- Installation: Drop-In
- Includes: Bolt, Carrier, Gas Key (Staked), Cam Pin, Firing Pin










