The PLR-22 is not a simple conversion kit; it is a standalone firearm chambered for .22 LR and is designed for target shooting, plinking, or small game hunting. The PLR-22 operates by blowback action and has a 4140 steel bolt that rides on steel guide rails inside the polymer receiver. It is based on the 5.56mm NATO chambered PLR-16 pistol and shares many parts including the grip and front and rear sights. The ejector is attached to one of the guide rails and the recoil spring is located above the barrel. The rear sight is adjustable for windage and the front sight is adjustable for elevation and the muzzle end of the barrel is threaded ½"-28 to accept standard attachments such as a muzzle brake. An integrated picatinny rail on top will accept a multitude of sighting options. A 26-round semi-transparent magazine is included and it will accept magazines designed for the Atchison M-16 conversion.