The GrovTec Remington Rifle Locking Swivel Sets are designed to fit Remington 760, 7600, and Six Pump Actions 740, 742, along with other .22 caliber and centerfire rifles with barrel diameters ranging from .645 to .660 inches. This set includes a barrel band, a 3/4-inch rear wood screw stud spacer, and one pair of GT Locking Swivels, ensuring a reliable and secure connection for your firearm.