The Ruger® Mark IV™ 22/45™ rimfire pistol features a 5.5" bull barrel, fully adjustable target sights and the light weight polymer "22/45" grip frame that matches the grip angle of the popular 1911-style pistol. Checkered plastic grip panels can be swapped out with other available styles. Like all Ruger® Mark IVs, the 22/45™ features one-button disassembly, an ambidextrous manual safety and comes with two drop-free magazines.