M1 carbine, caliber 30, designed by Winchester, USA 1941 (World War II). With belt.
The M1 Carbine (officially the United States Carbine, Caliber .30, M1) is a light semi-automatic rifle. It was a standard weapon of the United States Army during World War II and the Korean War, being produced in different versions. It was widely used by US, foreign and paramilitary armed forces, being at the same time a popular civilian weapon.