The 8.375-inch Model 648 was the long-range specialist of the stainless .22 Magnum line. Its extended barrel approached rifle performance from a revolver, making it relevant for small game hunting at ranges where a .22 LR would be marginal. Type: Revolver Action: Double-Action Caliber: .22 WMR Capacity: 6 Year introduced: 1989, USA Weight: 44 oz Overall length: 13.5" Status: Discontinued Intended use: Hunting, Target, Sport