Build a dependable 6mm ARC rifle with the FailZero 6MM ARC BCG No Hammer NiB, a purpose-built bolt carrier group for AR-15-style platforms. Its EXO Nickel Boron coating creates a slick, corrosion-resistant surface that helps reduce friction, resist carbon fouling, and simplify routine cleaning. For precision-focused builds, it supports smooth, consistent cycling across demanding range sessions and field use.
Engineered specifically for the 6mm ARC cartridge, this FailZero bolt carrier group is designed for compatibility and reliable operation in properly configured rifles. The hammer-free configuration gives custom builders the flexibility to pair the BCG with a preferred trigger group, including upgraded or match-grade options. Durable materials and careful construction make it a solid choice for long-range, hunting, and competition-oriented projects.
- Optimized for 6mm ARC AR-15-style rifles and custom builds.
- EXO Nickel Boron finish helps resist corrosion and reduce friction.
- Slick coating resists carbon buildup and makes cleaning easier.
- No hammer included, allowing selection of a preferred fire control group.
- Full-auto-rated carrier built to M16 specifications for strength and dependable service.
- 9310 steel bolt is shot-peened and MPI-tested for durability.
- Properly staked gas key supports secure, long-term function.
- Includes bolt, carrier, cam pin, firing pin, and retaining pin; hammer excluded.
Choose the FailZero 6MM ARC BCG No Hammer NiB for a durable, smooth-running foundation for your 6mm ARC rifle build. Pair it with compatible components and follow your firearm manufacturer’s installation and maintenance guidance.