The only way of answering your question is to have you provided the model number of your Winchester .22cal rifle and the serial number,to date the year of manufacture.
Your Winchester model 61 was made in the year 1953,with the serial number that you have provided.
Please include the serial number to get a correct answer to your question.
Rifle or shotgun? What type of action; bolt, pump, semiauto, lever? What caliber or gauge?
The 243 Winchester caliber was introduced in the model 70 bolt action and the model 88 lever action rifles in the year 1955 by Winchester.
I have no idea of what it is?Please describe the Winchester firearm with this serial number.Is it a rifle,shotgun?Is it a lever action,pump action,semi-auto,or bolt action?What caliber is it?what gauge is it(if a shotgun)?describe the barrel length.All this is required to get a answer to your question.
With the serial number that you supplied,your Winchester model 1912 pump action shotgun was produced by Winchester in the year 1923.
With the serial number that you provided,your Winchester model 12 pump action shotgun was produced in the year 1955.
with the serial number that you provided,your Winchester model 1897 pump action shotgun was made in the year 1906.
Your winchester model 12 pump action shotgun was made in the year 1950.
Your winchester model 1897 pump action shotgun was made by winchester in 1942.
Your winchester model 12 pump action shotgun was made by winchester in 1928.
With the serial number that you have supplied;your Winchester model 1897 pump action shotgun was made in the year 1910.