Give your AR-15 a smooth-running, durable foundation with the WMD NiB-X Bolt Carrier Group Without Hammer. Designed for rifles chambered in 5.56 NATO, .223 Remington, and .300 Blackout, this premium BCG combines a precision-made assembly with WMD’s proprietary nickel boron finish for dependable performance and easier upkeep.
Built to meet or exceed mil-spec standards, the WMD NiB-X BCG suits new rifle builds and upgrades alike. Its M16 full-auto-profile carrier is rated for full-auto use, while the hammer-free configuration lets you choose a compatible fire control group for your custom setup. The low-friction NiB-X surface helps resist fouling, wear, and corrosion, supporting smooth cycling and simpler cleaning between range sessions.
- Caliber compatibility: For AR-15 platforms chambered in 5.56 NATO, .223 Remington, or .300 Blackout.
- NiB-X nickel boron coating: A smooth, corrosion-resistant finish designed to reduce friction and carbon buildup.
- 9310 steel bolt: Heat-treated, shot-peened, and MPI-tested for strength and lasting service.
- M16 full-auto-profile carrier: Built for durability and broad platform compatibility.
- Secure gas key: Properly staked to support reliable operation.
- Complete BCG components: Includes bolt, carrier, cam pin, firing pin, and retaining pin.
- Hammer not included: Pair with your preferred compatible fire control group.
Choose the WMD NiB-X BCG Without Hammer for a versatile AR-15 upgrade with a premium finish and thoughtfully selected components. Its reduced-maintenance design is well suited to builders seeking clean operation, dependable cycling, and durable performance from their 5.56, .223, or .300 Blackout rifle. Add WMD NiB-X quality to your next build or refresh.
