Aimtech bases are manufactured from the finest quality heat-treated aluminum alloy extrusion, machined on American-made CNC machining centers. No gunsmithing required, and iron sights remain usable. Uses Weaver-style rings (not included).Browning Hi-Power 9mm Luger and 40 S & W
Material: Heat-treated Aluminum Alloy
NO GUNSMITHING REQUIRED.