In 1922, Western Cartridge Co. intoduced the 'Super-X' 12 gauge 3 inch shell with 1 3/8 ounces of shot, and the 2 3/4 inch 1 1/4 ounce 3 3/4 dram equiv. load. Peters Cartridge Company's 'High Velocity' and Remington's Kleanbore 'Nitro Express Extra Long Range' loads soon followed. By the fall of 1923, Hunter Arms was advertising the new "L.C. Smith Long Range Wild Fowl Gun." 12 years later, Winchester/Western brought out the 1 5/8 ounce 12 gauge 3 inch magnum.