The Smith & Wesson 586 revolver with the serial number AJY4338 was manufactured in 1983. Smith & Wesson typically uses a letter prefix in their serial numbers to indicate the year of production, and the "AJY" prefix corresponds to that time period.
Check the butt.
No serial number provided. Serial # 426742
1980
No such serial number in Smith and Wesson data.
You can not tell the model number with just the serial number.
1974
1980
You will have to provide the serial number and a detailed description of the weapon.
Look on the butt of the revolver.
@1969
On the butt.
Impossible to answer without the serial number.