Delayed-blowback semi-automatic pistol with an unusual rotating barrel lock that competed in the 1907 US Army pistol trials against the Colt 1911. Type: Pistol Action: Semi-Automatic Caliber: .32 ACP Capacity: 10 Year introduced: 1907, USA Weight: 21 oz Overall length: 6.5" Status: Discontinued Intended use: Law Enforcement, Civilian