Description

Enhance your AR-15’s performance with the Fail Zero 5.56mm Full Auto Bolt Carrier Group. Engineered for reliability, this BCG features a durable steel construction with an EXO nickel boron finish, topped with a sleek black coating. Compatible with most mil-spec M16/M4/AR15 uppers, it is designed for easy drop-in installation. It includes essential components such as a bolt, extractor, cam pin, carrier key, and firing pin, ensuring efficient operation in full auto mode. Trust Fail Zero, a leader in AR15 components, to deliver the superior quality your firearm deserves.