Commissioned in 1941, the STEN Gun was Great Britain's mainstay sub-machine gun through the wartime years and into the 1960s, while also being adopted by a number of nations in Europe and worldwide. Blade and peep sights, with a "SECO" mark on the underside of the magazine well, and a crown proof and "ENGLAND" on the left side of the trigger group. The cocking knob doubles as a cross-bolt safety, and the selector has the standard "R" and "A" markings for semi and full-automatic modes. Fitted with a vented handguard and a folded sheet metal stock. Also included is an extra magazine and a "E&Co+" marked loading tool.