Product Summary
The FailZero AR-15 Bolt Carrier Group is a fully assembled unit designed for seamless installation into most Mil-Spec upper receivers. Engineered for 5.56x45mm NATO, it features a Black Nitride finish on the carrier for superior corrosion protection and non-reflective tactical properties. The assembly includes critical parts treated with Black Salt Bath Nitride and a chrome-finished firing pin to maximize durability and wear resistance. Additionally, the extractor hardware is enhanced with a heavy spring, silicone insert, and o-ring to ensure reliable extraction tension during operation.
