Arm yourself with the Ruger Mark IV 22/45 .22 LR Pistol. It is single action with a 10-round capacity. The 5.5-inch bull barrel has a blued finish, and its checkered synthetic grip is made of polymer. The manual safety is ambidextrous. Ruger Mark IV 22/45 .22 LR Pistol - Handgun Semiauto Center Fire at Academy Sports