Aero Precision Complete 5.56x45mm NATO Bolt Carrier Group M16-Cut Machined Steel

The Aero Precision APRH100019 Complete 5.56x45mm NATO Black Phosphate Steel AR-15 bolt carrier group is an essential upgrade for any AR15 build, designed to enhance reliability and performance. Crafted from durable 8620 steel, this high-quality bolt carrier group features a M16-cut carrier with forward assist serrations, ensuring smooth operation and ease of use. The mil-spec phosphate coating provides excellent corrosion resistance, while the properly staked gas key and chrome-lined gas key and bolt channel contribute to the overall durability and longevity of the component. The 5.56 bolt, machined from Carpenter 158 tool steel, is shot peened for added strength and has undergone HPT testing and MPI marking, ensuring it meets rigorous quality standards. Additionally, the black o-ring insert on the extractor enhances extraction reliability, making this bolt carrier group a dependable choice for both competitive shooting and tactical applications. Whether you are building a new rifle or upgrading an existing one, the Aero Precision APRH100019 bolt carrier group is engineered to deliver consistent performance and reliability in the field.