The original Colt King Cobra in .357 Magnum with 4-inch barrel, the most common law enforcement configuration of the original King Cobra production run. Type: Revolver Action: Double-Action Caliber: .357 Magnum Capacity: 6 Year introduced: 1986, USA Weight: 36 oz Overall length: 9.5" Status: Discontinued Intended use: Law Enforcement, Collecting