Unique Australian SMG with the magazine mounted vertically on top of the receiver — gravity fed. Designed by Evelyn Owen. Considered one of the most reliable SMGs of WWII; the top-mounted magazine was immune to dirt fouling. Type: Submachine Gun Action: Select-Fire Caliber: 9mm Luger Capacity: 33 Year introduced: 1941, Australia Weight: 112 oz Overall length: 32" Status: Discontinued Military use: Yes Intended use: military