The Winchester model 670,and 670 Magnum models were only made from 1967-1973.
Your Winchester model 670 economy version of the model 70 bolt action rifle was made between 1967-1973.
about 375.00
As far as I know Winchester did not keep records of the model 670 and 670 Magnum series rifles.I can say that the model 670 was made from 1967-1973.The model 670 rifle will bring between 140-300 dollars depending on overall condition,with 300 quoted as a perfect unfired rifle.
The winchester model 670,and magnum models were made from 1967-1973.
Your winchester model 670 were only made from 1967-1973.Winchester did not keep records for this model as to the year of production with serial numbers.
The twist rate in a Winchester 670, 243 caliber is 1:10.
I can say that the Winchester model 670 and 670 magnum version,which you have was made by Winchester from 1967-1973.I am afraid thats all the info that I can find.
1967-1973
I have not found that Winchester kept any records of the model 670 and 670 magnum model by serial numbers per year that they made.I can say that the model in question was made during the years 1967-1973.
50-400
Your winchester model 670 rifle is valued at between 140-200 dollars for a rifle in 60%-90% original condition and a good bore.