Smith & Wesson J Frame Model 337 Airweight Sideplate - Used - J612 Rear Sight The strain screw allows for

The strain screw allows for adjustment of mainspring tension

22 Magnum)

Length: 4-1/4"

This genuine Mossberg brass front sight bead is a classic replacement sight for multiple Mossberg shotgun models

Smith & Wesson J Frame Model 337 Airweight Sideplate - Used - J612 Rear Sight The strain screw allows forJ612 Smith & Wesson Used J Frame Model 337 Airweight Sideplate 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 this is the case contact us and we will need a little