The Model 650 is a stainless steel, double-action-only J-Frame chambered in .22 Winchester Magnum Rimfire. The DAO design and stainless construction made it an unusual utility revolver. Produced in limited quantities. Type: Revolver Action: Double-Action Only Caliber: 22 WMR Capacity: 5 Year introduced: 1983, USA Weight: 24.5 oz Overall length: 7.5" Status: Discontinued Intended use: Field / Utility