JB42184 Smith & Wesson J Frame Model 42 Air Weight Trigger Used .38 Special 500 About Smith & Wesson 2nd

About Smith & Wesson 2nd and 3rd Generation Pistols

Models were numbered beginning in 1957–58

These unique coasters each feature a shiny gold finish and etched 12-gauge shotgun shell cap details

This Listing Includes: Mainspring

80 Steel Blue

JB42184 Smith & Wesson J Frame Model 42 Air Weight Trigger Used .38 Special 500 About Smith & Wesson 2ndJB42184 Smith & Wesson J Frame Model 42 Air Weight Trigger 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 serial # . If