642H S&W J Frame Model 642-2 Airweight Barrel 1.85" .38 S&W SPL +P 4006 This listing is for one

This listing is for one used Smith & Wesson J Frame Model 37 Airweight cylinder in the old style configuration

This comprehensive 4-spring kit includes a Type-2 reduced power mainspring and three rebound springs

Compatible Models: 17

22" for the Smith & Wesson M&P9 M2

Part# 6623 Smith & Wesson Revolver K Frame Model 66

642H S&W J Frame Model 642-2 Airweight Barrel 1.85" .38 S&W SPL +P 4006 This listing is for onePart# 642H Smith & Wesson Revolver J Frame Model 642 2 Airweight Barrel 1. 85" (2") . 38 S&W Special +P Stainless Steel Used Part 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