The set contains two M97 trench gun. They were used in the First World War until Vietnam.‎

Winchester M1897

‎The Winchester Model 1897 Trench Gun, was a pump-operated smooth-bore rifle with external dog and tubular magazine developed and manufactured by the Winchester Repeating Arms Company. The weapon was nothing more than the evolution of the previous M1893 designed by John Browning. From 1897 until 1957, over a million rifles were produced in America.‎

‎The weapon was used in the American Philippine War, in the First World War, by the various US police forces in the 30s, especially on the Pacific front in World War II, in the Korean War, and in Vietnam‎