@ 30 years old
198x.
1950
Impossible to answer without the serial number.
Your serial number dates your Winchester model 1894 rifle to the year 1949.
@1974
Would need model name to answer.
With the serial number that you have supplied,your Winchester model 1894 rifle was made in the year 1960.
With the serial number that you have provided,your Winchester model 1894 rifle was made in the year 1964.
45 years old
F prefix is 1949.
No known published sn data
c.1967