Game Reaper-CVA Scope Mount/Ring Combo features a 30mm tube diameter and 1.13 mount height with medium ring height. CNC-machined from 6061-T6 billet aluminum with a matte black anti-reflective finish, this 1-piece mount screws directly to the barrel/receiver. Engineered for CVA newer black powder and rifle barrels, it includes scope rings and mounting hardware. Specs: 3.92 length, 1.68 width, 1.96 height, weighing 3 oz. 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.