J179 Smith & Wesson Used J Frame Model 442 Airweight .38 Special Concealed Hamme Gunsmithing Tools Premium Wolff Power Rib mainspring

Premium Wolff Power Rib mainspring designed for Smith & Wesson K

The barrel must be properly fitted to the aluminum frame to ensure correct barrel-cylinder gap and alignment

Frame Compatibility: K Frame

precise adjustments

J179 Smith & Wesson Used J Frame Model 442 Airweight .38 Special Concealed Hamme Gunsmithing Tools Premium Wolff Power Rib mainspringJ179 Smith & Wesson Used J Frame Model 442 Airweight . 38 Special Concealed Hammer How to determine the model number of your Smith & Wesson Revolver. Swing out the cylinder , check behind the yoke on the frame for a MODEL NUMBER. Model numbers began in 1957 58. So if there is no model number then your revolver may be older than 1957 58. In this case we can possibly still find the part you need with the serial # . If this is the case contact us and we