The S&W Model 19 Combat Magnum defined the duty revolver era. Designed in collaboration with Bill Jordan of the U.S. Border Patrol, it brought .357 Magnum power to the lighter K-frame for the first time, creating the standard for a generation of law enforcement. Type: Revolver Action: DA/SA Caliber: .357 Mag Capacity: 6 Year introduced: 1957, USA Weight: 35 oz Overall length: 9.5" Status: Active Intended use: Duty, Competition, Home Defense