Call S&W and they will tell you when it left the factory. It could have been made a week to a year before.
@1961
Need a sn to date it.
@1992
1976
You will have to call S&W
1970
1960
Your gun was made between 1970-1972. Hope this will help. Best TrophyMatch45
1976-1977
Call S&W and they will tell you.
1979
You need to call S&W