Your Glenfield was made in the year 1974.
1977
No known sn data published.
@1972
Proofhouse.com has sn tables.
what model is this?
It was not called the Model 10 until 1957. The sn you list is not from that time. The sn range for pre-model 10 with S as a prefix is S811120-S999999
SN 6D10,0001 through 7D10,000 were made in 1980
Model numbers are included in the sn, depending on when it was made.
1979.
The year that the Savage model 99 250-300 with a SN of 337166 was made was 1941.
If you mean a model 1894, it was made in 1919