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; Ergonomic bolt stop; Internal cylindrical bolt construction ensures permanent sight to barrel alignment and higher accuracy potential than conventional moving slide designs; Contoured ejection port and easy-to-grasp bolt ears allow for durable and reliable operation round after round; Accurate sighting system features adjustable rear sight and drilled and tapped receiver for Weaver- or Picatinny-style rail for easy mounting of optics; Ambidextrous manual safety positively locks the sear in the "SAFE" position when applied. Safety can be converted to left-side only with included washer; Conveniently located push-button magazine release on the left side of the; Magazine drops free on release for faster reloading; Magazine disconnect prevents discharge when the magazine has been removed; One-piece, precision CNC-machined grip frame