Improved quality Sten for airborne forces with wooden furniture, No.4 Lee-Enfield bayonet lug, and better finish. Issued to elite units including the SAS. More expensive to produce than the Mk II. Type: Submachine Gun Action: Blowback Caliber: 9mm Luger Capacity: 32 Year introduced: 1944, United Kingdom Weight: 88 oz Overall length: 30" Status: Discontinued Military use: Yes Intended use: military