Right side of the frame.
You can not tell the model number with just the serial number.
Can't tell model number from just the serial number.
You can not determine the exact model with just a serial number.
No way to answer without the serial number.
Impossible to answer with the information given.
behind the celinder
Virtually impossible to ID a weapon from the serial number.
Your question cannot be answered without you providing the serial number to your model 586 Smith and Wesson revolver.
If the serial number is J75635 then your Smith and Wesson model 36,J frame revolver was made between 1979-1980.
@ 1978
Impossible to answer without a serial number.
@ 1975