The original .44 Magnum revolver — "the most powerful handgun in the world" as made famous by Clint Eastwood's Dirty Harry (1971). Type: Revolver Action: Double-Action Caliber: .44 Magnum Capacity: 6 Year introduced: 1956, USA Weight: 47 oz Overall length: 11.88" Status: Discontinued Intended use: Hunting, Target