The Ruger American Rimfire Standard is just as the name suggests a rimfired version of the popular American bolt-action rifle that also features interchangeable pull stock modules for use with either a scope or the Williams fiber optic front sight and adjustable V slot rear sight. The barrel is cold hammer-forged for durability and easy cleaning while the free-floating design aids in accuracy. The tang safety is easily seen and engaged and the receiver-mounted bolt release can be readily removed without pulling the trigger. The American Rimfire Standard also has a rimfire scope base machined into the receiver is drilled and tapped for a Weaver base and available in 22 LR 17 HMR and 22 WMR with 18 and 22 barrel lengths.DetailsCaliber 22 LR - Stock Black Synthetic - Capacity 10 - Overall Length 37 - Barrel Length 18 - Front Sight None - Rear Sight None - Thread Pattern 12-28 - Length of Pull 13.75 - Weight 5.3 lb. - Material 416 Stainless Steel - Finish Satin Stainless - Twist 116 RH - Grooves 6 - Includes interchangeable standard length of pull high comb stock module ideal for use with optics. By simply removing the rear sling swivel stud stock module can be changed in seconds. Compact stock modules are available at ShopRuger.com. - Features detachable flush-mounted 1022 BX-1 10-round rotary magazine and accept all 1022 magazines including the BX-25 BX-25x2 and BX-15. - Easy-to-use 1022-style extended magazine release provides smooth no-fuss removal of flush-mounted magazine. - Patent-pending Power Bedding integral bedding block system positively locates the receiver and free-floats the barrel for outstanding accuracy. - Ruger Marksman Adjustable trigger offers a crisp release with a pull weight that is user adjustable between 3 and 5 pounds allowing shooters to make that perfect shot. - Features a visible accessible and easy-to-actuate tang safety that provides instant security. - Cold hammer-forged barrel results in ultra-precise rifling that provides exceptional accuracy longevity and easy cleaning. - Factory-Installed One-Piece Aluminum Scope Rail - A 60 bolt provides ample scope clearance and the easy-to-use receiver-mounted bolt release allows the bolt to be readily removed without requiring a pull of the trigger a unique safety feature among rimfire bolt-action rifles. - Ergonomic lightweight black synthetic stock (designed for quick easy handling) blends a classic look with modern forend contouring and grip serrations.