RUGER®22/45™ THREADED BARREL PISTOL w/PICATINNY TOP RAIL & NO SIGHTS•Semi-auto w/internal cylindrical bolt construction & easy-to-grasp tapered bolt ears •.22LR •10-shot •Features ½-28 factory threaded bull barrel w/Picatinny rail •Zytel® polymer grip frame w/replaceable 1911-style grip panels •Manual safety •Contoured ejection port •Magazine disconnect •Loaded chamber indicator •External cocking device •Includes: (2) magazines & hard plastic case Brl. Finish 4.5'' Blued