Provide a detailed description of ALL markings, serial number, model number.
You will have to call S&W to find out.
You can't tell the model number by this serial number.
@1976.
Impossible to answer without the serial number.
Call S&W and they will tell you.
The lower the serial number the younger the pistol is
Can't be answered without a DETAILED descripiton of ALL markings.
You will have to call S&W
The PY in the middle of your serial number dates your pistol to 1982.
You will have to call Colt with the serial number to find out.
Impossible to answer without the serial number.