Go to proofhouse.com
your Winchester model 70 was made in 1991.
The manufacture date for Winchester Model 70, serial #745481 is 1965.
I would place your Winchester model 70 rifles year of production at 1999-2000.
It is made in 1752
With the serial number that you have provided,your Winchester model 70 bolt action rifle was made in the year 1988.
With the serial number that you provided,your Winchester model 70 bolt action rifle was produced in the year 1992.
With the serial number that you provided,your Winchester model 70 featherweight was produced in the year 1990.
Proofhouse.com has Winchester sn tables.
Go to proofhouse.com.
Impossible to answer without a serial number.
Proofhouse.com has sn information.
Can't be answered until you provide the name of the maker.
the date of manufacture is 1949... http://www.oldguns.net/sn_php/winmods.htm
If you would provide your serial number,Then I would be able to provide you with a date of manufacture.
The serial number will be stamped into the action.If you check the data base listed below in "Related Links" you should be able to find the date of manufacture,
The prefix G indicates post1968. gene61
I can't give you the exact date. If it helps any, it was made within the past 20 years
Please check your serial number! Winchester did not start the G prefix until serial number 941,000 on the Winchester model 70.
its pre 64...anything under 700,000 is pre 64
If this is a Winchester Model 70, and I'll bet it is since that model was a bolt action available in .338 Win Mag, that serial number puts it in 1949 according to the Blue Book.