The Sons of Liberty Gun Works SOLGWBCG556 Bolt Carrier Group is a premium choice for AR-15 enthusiasts seeking reliability and performance in their firearm. Designed to accommodate the 5.56x45mm NATO cartridge, this bolt carrier group features a robust black phosphate finish that not only enhances its durability but also provides excellent corrosion resistance. Crafted from Carpenter 158 steel, the SOLGWBCG556 is full-auto rated, making it an ideal component for both competitive shooting and tactical applications. The manganese phosphate finish further contributes to its resilience, ensuring that it can withstand the rigors of regular use while maintaining optimal functionality. This bolt carrier group is specifically engineered to fit AR-15 platforms, making it a versatile addition to your rifle parts arsenal. Whether you are upgrading your existing setup or building a new rifle from the ground up, the SOLGWBCG556 is designed to deliver consistent performance and reliability. With its precision engineering and high-quality materials, this bolt carrier group is an essential component for anyone serious about their AR-15 accessories. Trust Sons of Liberty Gun Works to provide you with the rifle bolts and bolt carrier groups that meet the highest standards of quality and performance, ensuring that your firearm operates flawlessly in any situation.