The Model 320 Centennial Revolver was an N-frame revolver designed with an extended cylinder to accommodate a longer .357 Magnum cartridge stack. The 5-inch barrel and target sights made it a competition-oriented platform, but the model had a short production run. Type: Revolver Action: DA/SA Caliber: .357 Mag Capacity: 6 Year introduced: 1993, USA Weight: 42 oz Overall length: 10.5" Status: Discontinued Intended use: Competition, Target