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Always function test after installation to ensure reliable ignition with your chosen ammunition
especially for Models 637 and 638
Stainless steel construction provides corrosion resistance and reliable performance
Installation Note
J150 Smith and Wesson J Frame Model Pre 37 .240" Trigger Blue Used 38Spl j36n Always function test after installationPart# J150 Smith and Wesson J Frame Model Pre 37 . 240" Trigger Blue Used 38Spl Revolver Pistol Gun Part. 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
