J442107 Smith & Wesson J Frame Model 442 Air Weight Hammer Used .38 Special .32 caliber Model 39 - 9mm

Model 39 - 9mm

Always test with your carry ammunition to ensure 100% reliability

Add a unique touch to your keys with this eye-catching fashion handcuffs keychain

Essential for proper trigger reset and hammer function

Factory OEM Part: Genuine S&W part #394140000

J442107 Smith & Wesson J Frame Model 442 Air Weight Hammer Used .38 Special .32 caliber Model 39 - 9mmJ442107 Smith & Wesson J Frame Model 442 Air Weight Concealed Hammer Used . 38 Special Please call or email with any questions! 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