Royal Armouries firearms expert talks about Winchester Model 12, a U.S.-made trench gun... "This episode was created in collaboration with Real Time History exploring Shotguns in Saipan - their episode will air on November 15th so go check it out when it goes live at ‪@realtimehistory‬.

Meanwhile, join Jonathan as he gives his longer hands-on with one of the trench shotguns of the 20th century, the Winchester Model 12."