STANDARD MODEL This model ships with a 10-round magazine, fixed stock and non-threaded barrel for consumers in those states which limit magazine capacity and have feature-based restrictions. Ruger Rapid Deploy folding rear sight provides windage adjustability and pairs with the A2-style, F-height, elevation-adjustable front sight for a solid, reliable aiming system. Made from 7075-T6 hard-coat anodized aluminum forgings, shot-peened and proof-tested 9310 steel bolt, and 8620 steel bolt carrier. The inside diameter of the carrier and gas key are chrome plated and the key is staked for longevity. Barrel nut and delta ring allow easy, one-person service of the Mfg: Ruger
