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If it is a semi-auto and made after 1957 it will be on the frame. I.E., Model 39 or Model 645-2. If by pistol you mean a revolver, you will have to open the cylinder and look in the recess where the crane/yoke rests.

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โˆ™ 2008-07-26 20:08:26
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Q: How do identify the model of a smith and Wesson pistol?
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