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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.
What else can I help you with?
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....
What does an asterisk mean at the end of the serial number on a Smith and Wesson?
returned for repair is most likely
What does serial number 4K90774 mean on a smith and Wesson model 19-3 357 magnum mean?
Made @ 1974
What does the 4 mean in the model number of a smith and Wesson model 19-4?
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.
What does a V at the beginning of the serial number of a smith and Wesson model 10 mean?
Denotes it as a "Victory" model, produced for WWII
What does a Smith and Wesson 686 with no dashes mean?
No engineering changes.
Smith and Wesson 40VE What does the VE stand mean?
Enhanced
The value of a smith and Wesson 38 special model 154?
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
