Battle Arms Development BAD M4 M16 BCG 5.56 NATO M16 Compatible Nitride Finish

The Battle Arms Development BAD M4/M16 STANDARD BCG delivers reliable performance as a purpose-built M16 bolt carrier group designed for 5.56x45mm NATO AR platforms, featuring a Black Nitride finish for enhanced wear resistance and corrosion protection. Engineered to fit M16 compatibility rails and receivers, this BCG blends precision machining with durable materials to promote smooth cycling, consistent extraction, and optimal gas-seal operation under a variety of conditions. The 5.56 caliber c