The Ruger Mark IV Rimfire Pistol features 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. Cold hammer-forged barrel results in ultra-precise rifling that provides exceptional accuracy and longevity.FeaturesComfortable, precision-molded polymer grip frame with a serrated frontstrap and checkered backstrap.Lightweight, ventilated, aerospace-grade aluminum receiver and a tensioned stainless steel barrel.Threaded barrel models feature a 1/2"-28 thread pattern for popular muzzle accessories (thread protector included).Ergonomic bolt stop.Checkered, 1911-style grip panels for a great appearance and comfortable, non-slip hold.Internal cylindrical bolt construction ensures permanent sight-to-barrel alignment and higher accuracy potential than conventional moving-slide designs.Contoured ejection...