Mounting a sling swivel on a side-by-side shotgun can be a major challenge. GrovTec's Shotgun Locking Sling Swivel Set for side-by-side shotguns helps make mounting a swivel a little bit easier! Just drill and tap two holes between the two barrels to mount the custom made swivel stud base between the barrels. Includes two Locking Swivels and 3/4" wood screw swivel stud.FeaturesHelps to provide a sling swivel point on a side-by-side shotgunBlack Oxide finishAll steel constructionNoteDrilling and tapping will be required