Lantac USA AR-10 Enhanced Bolt Carrier Group

Compatible with most AR-10 upper receivers, the Lantac USA AR-15 Enhanced Bolt Carrier Group is a must-have for your AR-15 rifle build. Features 8620 steel construction with a shot-peened 9310 steel bolt and a corrosion-resistant nitride finish for lasting wear resistance. Includes a patent-pending 17-4PH stainless steel CP-R360(TM) domed head cam pin for reduced wear. The chrome-lined steel gas key features Grade 8 hardware with proper staking methods to ensure proper function with your rifle. The flared boss at the tail offers improved accuracy and reliability. Magnetically particle inspected for smooth performance. Constructed to meet or exceed mil-spec standards.