The Model 57 was S&W's N-Frame revolver for the .41 Magnum cartridge, intended as an intermediate between the .357 Magnum and .44 Magnum. Bill Jordan helped develop the concept, envisioning it as the ideal police service cartridge. Type: Revolver Action: Double-Action Caliber: .41 Magnum Capacity: 6 Year introduced: 1964, USA Weight: 48 oz Overall length: 9.625" Status: Active Intended use: Duty, Hunting, Sport