White Label Armory BCG 5.56 Polished Nickle Coated

The White Label Armory M16 Bolt Carrier Group in 5.56 NATO with a polished Nickel Boron finish offers premium performance and striking aesthetics. Precision-ground and machined from 8620 steel, the carrier is coated in WMD’s high-performance NiB-X finish, providing exceptional lubricity, corrosion resistance, and effortless cleaning. The 9310 steel bolt is heat treated, shot peened, and MPI tested, while the billet 4130 gas key and 4140 steel extractor deliver rugged reliability. Full-auto compatible and optimized with Blacknitride+ on critical internal components, this BCG is 100 percent American made and built for smooth, long-lasting function in AR-15 rifles chambered in 5.56, .223, or .300 Blackout.