Description
Upgrade your AR-15 with the Fail Zero 5.56mm Full Auto Bolt Carrier Group. This complete bolt carrier is compatible with 5.56/.223 calibers and features a durable black finish. Designed by Uct Coatings Inc., it includes a bolt, extractor, cam pin, carrier key, and firing pin. Its EXO Nickel Boron treatment ensures superior wear resistance and easy cleaning, making it perfect for both competitive shooting and tactical applications. This drop-in BCG is compatible with most Mil-Spec M16/M4/AR-15 uppers, providing reliable performance and seamless installation.
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