The S&W Model 586 in 4-inch barrel is the standard duty configuration of the blued L-frame Distinguished Combat Magnum, widely issued to law enforcement departments across the United States. Type: Revolver Action: DA/SA Caliber: .357 Mag Capacity: 6 Year introduced: 1980, USA Weight: 40 oz Overall length: 9.5" Status: Discontinued Intended use: Law Enforcement, Collector, Home Defense