This mount has been designed to be installed under the forearm of your shotgun. The mount is attached by tightening under the magazine cap which secures the forearm. Mount is stainless steel and comes powder coated semi-gloss black. This mount will work on most shotguns with a flat end on the forearm. This mount will not work with Benneli Vinci, Browning New A5, Browning Maxus, Beretta A400, Remington 887, Remington Versa Max, Stoeger 3500, Winchester SX3, Mossberg 535 or 500, Winchester SXP, Charles Daly Pump, Double Barrell or Over Under.