The Brownells M16 5.56x45mm complete bolt carrier group is a meticulously engineered component designed to ensure seamless performance in both AR-15 and M16 platforms. This cost-effective solution is crafted with precision, featuring a bolt made from robust 9310 steel, renowned for its durability and resilience. The bolt undergoes a rigorous heat treatment and shot-peening process, enhancing its strength and longevity. Complementing this, the bolt carrier is constructed from 8620 steel, known for its superior hardness and reliability. The entire assembly is finished with a nickel boron coating, providing exceptional corrosion resistance and a smooth, frictionless operation. This comprehensive bolt carrier group includes all essential components - the bolt, bolt carrier, gas key, firing pin, cam pin and firing pin retaining pin, ensuring a complete and ready-to-install package. Each element is crafted to meet the highest standards of quality and performance, making the Brownells M16 5.56x45mm complete bolt carrier group an ideal choice for enthusiasts and professionals seeking reliability and excellence in their firearm components. Whether for tactical applications or recreational shooting, this BCG promises to deliver consistent and flawless operation, enhancing the overall performance of your firearm.

Magnetic particle inspection ensures the quality of steel
Feature extractor equipped with a rubber insert and spring mechanism
Gas key screws are torqued and secured with staking
Compatible with all cartridge cases based on the 5.56x45mm specification

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Brownells M16 Complete Bolt Carrier Group 5.56x45mm, Silver