These Are Not Your Father’s Shotguns

Pancor Jackhammer 

The Pancor Jackhammer is a 12-gauge bullpup shotgun. The Pancor Jackhammer was gas operated and automatic with a revolving cylinder. 

This shotgun was designed by John Anderson of the Pancor Corporation in 1984. Anderson cited his experience using pump action shotguns in the Korean War as the reason he made the Jackhammer. Anderson found that pump action shotguns were hard to reload and wanted to give soldiers a shotgun that used magazines. 

Sadly, you are not going to be able to get your hands on a Pancor Jackhammer anytime soon. Only 3 were ever technically made and two of them were destroyed during testing done by HP White Labs.