The North American Arms .22 mag Mini Revolver is a great pocket handgun, the North American Arms Holster Grip .22 Magnum Mini Revolver features a compact, stainless-steel frame, a 1.625-inch barrel, a halfway notch cylinder and an exposed hammer. The grip doubles as a holster. Single action with a 5-round capacity Stainless-steel frame with a 1.625-inch barrel Fixed sights Halfway notch cylinder Exposed hammer 1911792 SNM-CN