Equipped with front and rear sights, the Ruger 10/22 Sporter .22 LR Semiautomatic Rifle has an 18.5-inch barrel and an aluminum-alloy receiver that are held together by a secure 2-screw V-block system. The firearm features a positive, push-button crossbolt safety, an American walnut stock and a flat butt plate with a rubber butt pad. Includes a scope base adapter.