This American Rimfire model features an interchangeable standard length of pull, high comb stock module ideal for use with optics. Includes the patented, detachable, flush-mounted BX-1, 10-round rotary magazine and accepts all 10/22 magazines, including the BX-25, BX-25x2 and BX-15. Additional features include an ergonomic lightweight synthetic stock, extended magazine release, integral bedding block system, Ruger Marksman Adjustable trigger that offers a crisp release with a pull weight that is user adjustable between three and five pounds and a threaded barrel with factory-installed muzzle brake.