The Roth-Steyr M1907 was the first semi-automatic pistol adopted by a major military as a standard sidearm, issued to Austro-Hungarian cavalry. Uses a rotating barrel and striker mechanism with a unique feeding system. Type: Pistol Action: Semi-Automatic Caliber: 8mm Roth-Steyr Capacity: 10 Year introduced: 1907, Austria Weight: 37 oz Overall length: 9.09" Status: Discontinued Military use: Yes Intended use: Military Service, Collecting