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From just before the turn of the last century (1900), the medium size frame (K frame) revolvers had four screws in the side and one in the trigger guard. These were known as five screw revolvers. Around 1954 or so, one of the screws was eliminated giving birth to the four screw revolver. This only happened for a few years so some consider the 4 screw more rare.
In the late 50's, one more screw was eliminated, reducing cost and manufacture time. Today's Smith and Wesson revolvers have the standard three screws.
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What does PY1997 mean on your smith and Wesson?
Most likley an assembly number.
What does 8 249 4 mean on a smith and Wesson revolver?
possibly the serial number....
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returned for repair is most likely
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Made @ 1974
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The -4 refers to an engineering change
What does .45 sw mean?
45 Smith and Wesson
What does s and w mean on a gun?
smith and wesson.
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Denotes it as a "Victory" model, produced for WWII
What does a Smith and Wesson 686 with no dashes mean?
No engineering changes.
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Enhanced
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No such model number. However, if you mean a 15-4, 50-450 USD.
Where is the model number located on a 357 magnum smith weston?
If you mean Smith and Wesson, inside the frame near the crane if it has one. Model numbers did not come into use until @ 1957
