Auto-Ordnance's semi-automatic civilian version of the iconic Thompson submachine gun in .45 ACP. Retains the original Thompson's appearance including the drum magazine option, produced for the collector and civilian market. Type: Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 20 Year introduced: 1976, USA Weight: 85 oz Overall length: 41.5" Status: Active Intended use: Collecting, Range