Winchester 1892 rifles were made from 1892-1945. To find the age, look on the metal plate, just behind the cock.
By listing the serial number with your question.The serial number is the only way to determine the correct year of manufacture.
You will have to call Mossberg
your model 55 Winchester was one of the first 5 rifles made in 1928.
If you list your rifles serial number in this question,we can determine the correct year of production for your Winchester model 1892 rifle.
Blue Book of Gun Values
The Winchester model 290 belongs to the Winchester 200 series of rifles that were introduced between 1963-1965.The model 290 was discontinued in 1976.
Proofhouse.com has sn tables
The age can be determined by you providing a serial number to the Winchester model 1894 rifle in question.The value can be determined by you providing a detailed description of the rifles overall condition including the amount of blueing remaining and the condition of the rifles bore.
your Winchester model 75 was made in 1942.
Winchester did not keep records of the production by year of the model 77,22cal rifles.I can say that the model 77 was made from 1955-1962.Winchester made 217,000 rifles during this time span.I would say that your rifles serial number puts your rifles production in the first year which is 1955.
The age of your Winchester model 71 rifle can be determined by the serial number.If you would post this I can age and determine the year of production.