Gun: Winchester Model 12 “Trench” Gun Condition: 80 percent overall (NRA Modern: Very Good) Originality is Polar North for U.S. military long-gun collectors, which means it is essential to ...

After America’s declaration of war, the Winchester Riot Gun was pressed into service, but it quickly morphed into the U.S.-issue “Trench Gun, Model of 1917,” sporting sling swivels, a lug ...

The Model 12 Trench Gun. Winchester Collector’s Org. The U.S. Military ordered 777 Model 12s for World War I. Most of those firearms were the riot variant of the gun, built with a shorter barrel.