Bring dependable, smooth cycling to your AR-15 with the WMD NiB-X BCG with Hammer, a complete bolt carrier group designed for 5.56 NATO and .223 Remington platforms. Its proprietary nickel boron NiB-X coating helps reduce friction, resist corrosion and fouling, and make routine cleaning easier. The result is a durable upgrade for range sessions, competition, duty applications, or a custom rifle build.
Supplied pre-assembled with a matching coated hammer, this kit combines key operating components in one convenient package. The M16-style, full-auto-rated carrier is paired with a heat-treated 9310 steel bolt that is shot-peened and magnetic particle inspected. A properly staked gas key supports secure operation, while the slick NiB-X finish is designed to cycle smoothly and help reduce maintenance demands, including in demanding shooting conditions.
- Compatible with AR-15 platforms chambered in 5.56 NATO, .223 Remington, and .300 Blackout.
- Proprietary NiB-X nickel boron coating offers lubricity, wear resistance, and corrosion protection.
- Full-auto-rated M16-style carrier for strength and broad platform compatibility.
- 9310 steel bolt is heat-treated, shot-peened, and magnetic particle inspected.
- Properly staked gas key helps support reliable, leak-resistant function.
- Matching coated hammer is included to complement the BCG and resist wear.
- Complete assembly includes carrier, bolt, cam pin, firing pin, retaining pin, and hammer.
Choose the WMD NiB-X BCG with Hammer for a practical AR-15 upgrade built around smooth operation, durable materials, and easier upkeep. Confirm compatibility with your rifle before installation and follow all applicable safety practices.
