Ruger's Mark IV(TM) Standard features a simple, one-button takedown for quick and easy field-stripping and proper chamber to muzzle cleaning. A recessed button in the back of the frame allows the upper receiver to tilt up and off of the grip frame without the use of tools. The one-piece, precision CNC-machined grip frame has a smoothly contoured, grip with natural pointing grip angle with replaceable, checkered grip panels for a non-slip hold. Its internal cylindrical bolt construction ensures permanent sight to barrel alignment and higher accuracy potential than conventional moving slide designs. The contoured ejection port and easy-to-grasp bolt ears allow for durable and reliable oper Mfg: Ruger