Standard Manufacturing DP-12

The DP-12 is a bullpup 12-gauge pump action double-barreled shotgun designed by Standard Manufacturing. It has two underbarrel tube magazines, each of which feeds its own barrel. Each magazine tube can hold up to 7 2.75-inch (70 mm) 12-gauge shotshells or 6 3-inch (76 mm) shotgun shells; 16 (2+3⁄4") or 14 (3") in total with indicator windows.