Your question cannot be answered without you providing a serial number to this question.
With the serial number that you have supplied,your Winchester model 100 semi-auto rifle in .308 was made in the year 1961,which was the first year of production.
1966
Your serial number indicates that it was made in the year 1962.
With serial 308, first year production 1952 will be date code stamped on the left side of barrel in front of receiver, check Remington society for chart. If IN 308, 1957.
1971
1947
With the serial number that you have provided,your Winchester model 70 rifle in .308 caliber was made in the first part of the year 1982.
Your question cannot be answered without you providing a serial number to this question.
1962
Cannot be answered unless you include the serial number.
With the serial number that you have provided,your Winchester model 88 lever action rifle was made in the year 1966.
1955 (first year of production).