Action: DAO - Caliber: .357 Magnum / .38 S&W Special +P - Capacity: 5 - Finish: Matte Black - Material: Scandium Alloy / Steel - Grips: Black Synthetic - Sights: HI-VIZ Fiber Optic Green / Fixed - Barrel Length: 1.875 - Overall Length: 6.31 - Weight: 11.4 oz - Smith & Wesson's unique Scandium Alloy high strength frames allow for the lightest revolvers capable of firing .357 S&W Magnum or .44 Magnum. The Smith & Wesson J-Frame has become the most popular small frame personal defense revolver on the market. With decades of reliable performance to its credit the J-frame line offers models capable of firing .22 LR .22 Magnum .38 S&W Special and the more powerful .357 Magnum loads. Smith & Wesson offers these revolvers from our production M&P Pro Series and Classics lines in three diverse hammer designs; internal exposed and shrouded.