The Ruger Mark IV 22/45 has a simple, one-button takedown for quick and easy field-stripping and proper chamber-to-muzzle cleaning. Pressing a button in the back of the frame allows the barrel-receiver assembly to tilt up and off the grip frame without the use of tools. The pistols features a precision-molded polymer grip frame with a serrated front strap and checkered backstrap; Cold hammer-forged bull barrel; ergonomic bolt stop; checkered, 1911-style grip panels for non-slip hold; contoured ejection port and easy-to-grasp bolt ears; drilled and tapped receiver for Weaver or Picatinny style rail for easy mounting of optics; ambidextrous manual safety can be converted to left-side only with included washer; push-button magazine release on the left side of the frame; magazine disconnect prevents discharge when the magazine has been removed. Includes two 10 Round magazines.