Ruger Mark III (including Hunter) pistols are the perfect combination of a proven design and reliability, with features demanded by today's .22 pistol shooters. A 10-shot magazine, rigid barrel/receiver connection, automatic bolt hold open latch, comfortable, ergonomic grip angle, precision sights and a free scope base adapter (on adjustable sight versions) make for the most versatile and most valuable small bore pistol on the market today. The bolt in the Ruger Mark III pistol travels entirely within a steel receiver on which the sights are rigidly mounted for consistent accuracy. All models with adjustable sights also feature a unique free scope base adapter for easy mounting of today's sophisticated optical sights. Retains familiar grip and overall shape of Mark II pistols. With newly designed, convenient-to-use magazine release button,located on left side of frame behind trigger guard. With internal lock, magazine disconnect and re-contoured sights and ejection port. Bolt moves inside rigid barrel-receiver assembly on which sights are mounted. Checkered black synthetic grips. Steel frame. Carbon steel material. Fixed front sight. Micro-adjustable rear sight. Loaded chamber indicator. Plastic storage case. Instruction manual. Gun lock. Weaver-style scope base adapter on heavy barreled models. Two magazines. Includes a fluted barrel, a fiber-optic front sight, Cocobolo grips and a Weaver-style scope adapter. 6 7/8" Barrel