The Ruger 10/22 Compact rifle features a patented, detachable 10rd rotary magazine that has an unique rotor to separate cartridges and provide reliable feeding. Its legendary action ensures consistent, reliable performance; and the heat-stabilized, glass-filled, polymer trigger housing assembly is made of a high-tech material for improved manufacturing tolerances, impact, abrasion-resistance and an unmatched ability to withstand the elements. Includes a combination scope base adapter for both Weaver-style and .22 tip-off scope mounts.