what is the model
27 years old
1981
1979
1991-1999
The smith and wesson model 15,4th change (15-4) was made by smith and wesson in 1977.
With the serial number that you have supplied,your Smith and Wesson model 15 was made in the year 1950.
This gun was manufactured in 1991, according to Smith and Wesson headquarters.
No such model number in the S&W catalog
1960
1976
@1967