J190637 Smith & Wesson J Frame Model 637 Revolver Part Used Trigger Assembly .31 Model 31 Model 5923 - 9mm Third

Model 5923 - 9mm Third Gen DAO

J120 Smith and Wesson J Frame Model 43

Compatible J Frame Models (3" Barrel):

Restore your revolver to factory specifications with genuine Smith & Wesson parts

J190637 Smith & Wesson J Frame Model 637 Revolver Part Used Trigger Assembly .31 Model 31 Model 5923 - 9mm ThirdJ190637 Smith & Wesson J Frame Model 637 Revolver Part Used Trigger Assembly . 312" 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 serial