Fixed-sight service version of the Model 57. The Model 58 was produced with a 4-inch barrel and fixed sights for law enforcement that wanted .41 Magnum power with a simpler sight setup. 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: Law Enforcement, Collecting