Shotguns,Rifles,Blackpowder Non-Swivel Universal Gunsling Ez GunsSlinger tm No swivels, screws or additional hardware needed Quick release military grade buckle & New 14''x2 1/2''neoprene shoulder pad for grip & comfort Attaches securely to your buttstock and barrel (threads through ribbed barrels or Now comes with Quick release kit) and is fully adjustable & New release buttstock buckle & leave attachment in place ready to use Designed to mount for both right and left handed shooters Fits any gun from black powder to shotguns, big rifles to air rifles and even use on gun with swivel posts