Description

Enhance your AR-15’s performance with the Fail Zero 5.56mm Semi-Auto Bolt Carrier Group. Designed for reliability and durability, this complete bolt carrier group is compatible with 5.56/.223 caliber firearms. Key features include a bolt, extractor, cam pin, carrier key, and firing pin, all crafted from high-quality steel with a classic finish. The Exo Nickel Boron treatment ensures superior corrosion resistance and smooth operation. With dimensions of 1.65 x 3.80 x 10.30 inches, this BCG is a perfect drop-in installation for most mil-spec AR-15 uppers. Whether you’re upgrading or building from scratch, trust Fail Zero to deliver unmatched performance and reliability. Ideal for enthusiasts in the United States looking for top-tier AR-15 components.