Highly unusual revolving-chamber pistol using triangular plastic cartridges called 'trounds.' The open-chamber design allowed feeding from a magazine while using a rotating cylinder, theoretically enabling very high capacity. Type: Pistol Action: Double-Action Caliber: Tround (multi-caliber) Capacity: 15 Year introduced: 1954, USA Weight: 28 oz Overall length: 8.5" Status: Discontinued Intended use: collection