J38 Smith & Wesson Used J Frame Model 642 .38 Special 1.75" S.S. Barrel Assembly Model 57 125 inches (4-1/8")

125 inches (4-1/8")

Professional installation and adjustment by a qualified gunsmith is strongly recommended

The cylinder assembly is fully functional and includes the complete yoke and extractor assembly

The rebound slide returns the trigger to its forward position after each shot — essential for consistent double-action pull on a hard-use duty revolver like the Model 13

Built on the compact J Frame

J38 Smith & Wesson Used J Frame Model 642 .38 Special 1.75" S.S. Barrel Assembly Model 57 125 inches (4-1/8")J38 Smith & Wesson Used J Frame Model 642 . 38 Special 1. 75" S. S. Barrel Assembly 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