Sons of Liberty Gun Works Standard 5.56mm & .300 BLK Carpenter 158 Phosphate Bolt Carrier Group SOLGW-BCG556

The Sons of Liberty Gun Works Standard Bolt Carrier Group is a reliable, mil-spec component designed for AR-15 platform rifles chambered in 5.56mm NATO and .300 BLK. Constructed with a Carpenter 158 steel bolt and finished in a phosphate (Parkerized) coating, this BCG offers exceptional corrosion resistance and long-term durability under demanding conditions. The gas key is properly staked with Grade 8 fasteners to ensure a rock-solid connection and consistent performance shot after shot. Ideal for everything from everyday range use to serious duty applications, the SOLGW Standard BCG is a trusted choice for shooters who demand quality and consistency from their AR-15 build.