The Model 58 Military & Police is the fixed-sight, heavy-barrel .41 Magnum designed specifically for law enforcement. S&W offered it as the service version of the .41 Magnum concept — simpler sights and robust construction at a lower price than the adjustable-sight Model 57. Type: Revolver Action: Double-Action Caliber: 41 Magnum Capacity: 6 Year introduced: 1964, USA Weight: 41 oz Overall length: 9.5" Status: Discontinued Intended use: Service / Law Enforcement