This question cannot be answered unless you provide what model of Winchester you have.A example would be the model 12,model 1894,the model 1897 etc.Please state if you have a shotgun or rifle,and a brief description if it is a lever action,bolt action,pump action and caliber or gauge.
Need the serial number to answer.
1920.
1905
@ 1950
your winchester model 1892 was made by winchester in 1899.
If you provide the serial number in your question then I can give you the date of manufacture.
Your Winchester 2314645 is a 1958. bobadink3.
1952
after 1981
1904
No way to answer without the serial number.
1946