J190637 Smith & Wesson J Frame Model 637 Revolver Part Used Trigger Assembly .31 Model 31 Smith & Wesson collectors

Smith & Wesson collectors

This genuine Smith & Wesson hand (cylinder advance pawl) is a factory new replacement part designed specifically for 8-shot J Frame models

Authentic Smith & Wesson factory part for K

The oversize dimension enables custom fitting to your specific revolver's tolerances

When drilling

J190637 Smith & Wesson J Frame Model 637 Revolver Part Used Trigger Assembly .31 Model 31 Smith & Wesson collectorsJ190637 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