Give your semi-automatic AR-15 a smooth-cycling, durable upgrade with the FailZero AR15 BCG NO HAMMER BLK. Precision machined and finished in black EXO Nickel Boron, this bolt carrier group is designed for dependable performance in compatible 5.56 NATO, .223 Remington, and .300 Blackout builds. Its sleek black finish brings a clean, coordinated look to your rifle while offering a low-friction surface for easier care.
The black EXO NiB coating is engineered to provide lubricity, corrosion resistance, and wear protection. Its slick surface helps limit carbon buildup and can make routine cleaning quicker, without requiring heavy lubrication. The BCG arrives assembled with a cam pin, firing pin, retaining pin, and properly staked gas key. No hammer is included, making it a practical choice for builds using your preferred fire control group.
- Designed for compatible MIL-SPEC AR-15 upper receivers
- Fits 5.56 NATO, .223 Remington, and .300 Blackout applications
- Black EXO Nickel Boron coating on the bolt and carrier
- 9310 steel bolt is MPI tested and shot-peened
- 8620 steel carrier features a full-auto profile
- Includes cam pin, firing pin, and retaining pin
- Gas key is properly staked
- Ships without a hammer for custom trigger configurations
- Designed for straightforward installation in a compatible upper
Choose the FailZero AR15 BCG NO HAMMER BLK for thoughtfully specified materials, a protective black finish, and a serviceable design. It’s a strong option for refreshing a compatible rifle or completing a custom AR-15 build with a bolt carrier group made for reliable cycling and simplified maintenance.
