Wmd Guns Nib-x Bcg 450 Bushmaster Nickel Boron Coated Bolt Carrier Group

The WMD Guns NIB-X BCG 450 BUSHMASTER delivers exceptional reliability for AR platforms with a nickel boron coated bolt carrier group engineered for demanding conditions, featuring a case-hardened 9310 steel bolt for durable performance under high-cycle use, a hardened, heat-treated, and chromed firing pin for smooth, consistent ignition, a NiB-X coated cam pin to reduce wear and improve lubrication, and a full-auto nickel BCG construction that balances strength and slick operation across a wide