DNZ Game Reaper-Ruger Scope Mount/Ring Combo features a 30mm tube diameter and 1.17 mount height with high ring height. Designed for Ruger American short action rifles, this 1-piece integrated base and ring combo provides direct-to-receiver mounting. Constructed from aluminum in matte black, it measures 5.04 long, 1.68 wide, 1.95 high, and weighs 3 oz. Fits ambidextrous rifles and includes mounting hardware. 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.