Caliber: 22 LR - Stock Black Synthetic - Front Sight None - Rear Sight None - Barrel Material Alloy Steel - Twist 1:16 RH - Capacity 10 - Barrel Finish Satin Black - Weight 4.4 lb. - Overall Length 37 - Barrel Length 18.50 - Grooves 6 - This legendary action is a tried and true Ruger design that ensures consistent reliable performance. - Detachable 10-round rotary magazine features a unique rotor to separate cartridges and provide reliable feeding. - Easy-to-use prominent magazine release provides smooth no-fuss removal of flush-mounted magazine. - Cold hammer-forged barrel is locked into the receiver by a unique two-screw V-block system. - Positive push-button cross-bolt manual safety. - Combination scope base adapter for both Weaver-style and .22 tip-off scope mounts included. - Heat-stabilized glass-filled polymer trigger housing assembly is precision made of high-tech material for improved manufacturing tolerances impact and abrasion-resistance and an unmatched ability to withstand the elements. - The receiver and stock combine to create classic lines for attractive styling.