Caliber: 22 LR - Stock: Black Laminate with Thumbhole - Material: Alloy Steel - Twist: 1:16 RH - Capacity: 10 - Finish: Satin Blued - Weight: 5 lb. - Overall Length: 35.25 - Barrel Length: 16.13 - Grooves: 6 - Adjustable length of pull laminate stock with thumbhole. - Patented detachable 10-round rotary magazine features a unique rotor to separate cartridges and provide reliable feeding. - Legendary action a tried and true Ruger design ensures consistent reliable performance. - Cold hammer-forged barrel tensioned in aluminum alloy barrel sleeve features a 1/2-28 threaded muzzle and is fitted with a thread cap which can be removed to allow for the use of muzzle accessories. - Positive push-button cross-bolt manual safety. - Combination scope base adapter for both Weaver-style and .22 tip-off scope mounts included. - Easy-to-use extended magazine release provides smooth no-fuss removal of flush-mounted magazine. - 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.