Durasight Z2 INTG Ring/Base in the Bases category features an integrated ring-and-base design with a 1 tube diameter and Medium ring height. Made of aluminum with a black finish, this mount bolts directly into pre-drilled holes on CVA Muzzleloader and Rifle receivers, using integrated permanently molded rings to secure optics without cross-bolts or external rail interfaces. Safety Note Always ensure the firearm is unloaded before installing or adjusting any optics or bases. Verify proper torque specifications during installation. Improper mounting may affect accuracy and safety.