Rise Armament RA-1010 Low-Mass Bolt Carrier Group, Nickel Boron, 5.56 NATO - RA1010NIB

This is a low-mass bolt carrier group (BCG) designed for AR-15 rifles chambered in 5.56 NATO/.223 Remington. The nickel boron finished steel construction reduces reciprocating mass during the firing cycle to minimize recoil and improve target tracking, with a complete weight of approximately 8.9 ounces. The RA-1010 is a direct drop-in component for mil-spec AR-15 platforms.