This plastic grip was made for the Federal Ordnance style wire stock used on their version of a folding stock for the Ruger 10-22, sort of like an M3 SMG stock with a wood body , this plastic grip, and a wire stock. This lot has 100 of these grips brand new for making up some kind of a pistol grip style stock for the Ruger 10-22. Please note we also have the grip for their M1 carbine style stock also.