Ruger's Mark IV Rimfire Pistols feature a one-piece CNC-machined grip frame for exceptional precision and a simple one-button takedown. Internal cylindrical bolt construction ensures the sights are in perfect alignment. Contoured ejection port and easy-to-grip bolt ears. Ambidextrous manual safety. Left-hand magazine release, and a magazine disconnect. Ergonomic bolt stops. Adjustable rear sights. Receiver is drilled and tapped. Includes two 10-round magazines.