Caliber: 22 LR - Stock: Speckled Black/Gray Laminate - Capacity: 10 - Receiver Material: Aluminum - Receiver Finish: Hard-Coat Anodized Black - Weight: 6 lb. - Barrel Material: Alloy Steel - Barrel Finish: Satin Black - Sights: None Optics-Ready 30 MOA Picatinny Rail - Twist: 1:16 RH - Length of Pull: 13.50 - Overall Length: 36 - Barrel Length: 16.12 - Grooves: 6 - Fully adjustable cheek rest can be repositioned to accommodate varying comb heights and positions to create a custom-adjusted feel that is stable comfortable and repeatable for optic alignment. - Hard-coat anodized CNC-machined receiver made from heat treated and stress relieved 6061-T6511 aluminum allows for optimal receiver-to-bolt interaction and a match-grade feel. - Proprietary enhanced semi-auto chamber proven to increase accuracy and precision while not compromising reliable feeding and extraction. - BX-Trigger with a light crisp 2.5 - 3 pound trigger pull weight with minimal overtravel and a positive reset. - Dual bedding system incorporates a second bedding lug ensuring the receiver is securely bedded to the stock. - Heat treated and nitrided CNC-machined match bolt that creates a tight-fitting smooth action enabling the highest level of performance. - Receiver incorporates a rear cleaning port providing access to the barrel from the rear of the receiver for ease of cleaning. - Top barrel locator allows for a free-floating barrel for superior accuracy. - Detachable left-handed 10-round rotary magazine features a unique rotor to separate cartridges and provide reliable feeding. Not compatible with standard right-handed 10/22 magazines. - Easy-to-use prominent magazine release provides smooth no-fuss removal of flush-mounted magazine. - 16-1/8 cold hammer-forged bull barrel is fluted to reduce weight and dissipate heat and is also threaded with a 1/2-28 pattern to accommodate the included muzzle brake or other barrel accessories. - Positive push-button left-handed cross-bolt manual safety. - Integral optics-ready 30 MOA Picatinny rail for increased long-range elevation capabilities. - Match bolt release allows you to easily advance the nitrided bolt with a quick pull and release to the rear. - 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. - Compatible with the Silent-SR sound suppressor - Also includes: hard case; Ruger Custom Shop Certificate of Authenticity challenge coin cleaning cloth and decal.