Call S&W and they will tell you.
No.
If you call SW and give them the serial # they can tell you.
@1958
87-97
Since the first one was made.
@1955
New Mexico .
By the serial number.
Your gun was made between 1970-1972. Hope this will help. Best TrophyMatch45
Call S&W, they will tell you.
The 3914 was made in 9mm
* 1961-1980