3781 Smith & Wesson Used J Frame Model 37 Airweight Cylinder Stop & Spring fire control This precision OEM component ensures

This precision OEM component ensures proper cylinder lockup and timing for reliable revolver function

won't seat properly

Compatible: S&W revolvers using pinned front sights from the 1950s through present

The L Frame was introduced in the 1980s to handle the stress of full-power

Gifts for Western and gun enthusiasts

3781 Smith & Wesson Used J Frame Model 37 Airweight Cylinder Stop & Spring fire control This precision OEM component ensures3781 Smith & Wesson Used J Frame Model 37 Airweight Cylinder Stop & Spring Old Style . 38 Special 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