Part#J4423 Smith & Wesson Revolver J Frame Model 442-642 Trigger Assembly Airweight New Style Used Part
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.
Give us a call or shoot us an email for all your Smith and Wesson gun part needs
Gunsmiths Required: Disassembly and Assembly required to replace part
Some parts may require installation and fitting by a qualified gun smith Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts