FailZero AR-15 7.62x39 Nickel Boron Bolt Carrier Group

Compatible with most Mil-Spec AR-pattern receivers, the FailZero AR-15 7.62x39 Nickel Boron Bolt Carrier Group is a fully assembled drop-in BCG designed to ensure smooth and consistent performance with steel and brass-cases 7.62x39 ammunition. Featuring heavy-duty tool steel construction, this BCG boasts an EXO nickel boron coating that provides lubricity, extreme durability, and increased corrosion resistance, allowing for easy cleanup and reliable performance with corrosive ammo. The Mil-Spec bolt and improved extractor hardware (heavy spring, silicone insert, and O-ring) ensure reliable operation, while the included Black Rifle Arms Enhanced Firing Pin features a longer length for better performance without over-penetration. Order today!