Unusual semi-automatic pistol using a proprietary open-chamber revolver-magazine hybrid system firing triangular cartridge cases called Trounds. Designed by David Dardick as a high-capacity alternative to conventional magazine pistols. Type: Pistol Action: Semi-Automatic Caliber: .38 Special Capacity: 15 Year introduced: 1954, USA Weight: 28 oz Overall length: 9.5" Status: Discontinued Intended use: Collecting, Curiosity