I can say that the model 1200 Winchester shotgun was made from 1964-1981.The model 120 ranger was the entry level shotgun to the model 1200.Winchester did not keep records of the serial numbers assigned to the years of production of the model 120 ranger shotgun,but I can assume that yours was made during the same time span as the higher level model 1200.
Your Winchester ranger model 140 was made from 1967-1973.Winchester did not keep serial number records of this model of shotgun.
I do not believe that the serial numbers for the Winchester model 140 ranger,semi-auto shotgun are in the public domain.I can say that the Winchester model 1400 was made from 1964-1981,and this was the higher priced version of the model 140 ranger shotgun.
The winchester model 120 ranger model shotgun was made between 1964-1981.
If you are asking if Winchester made a Ranger model 120/12 gauge shotgun,then the answer is yes.It was the economy version of the model 1200 shotgun which was made from 1964-1981.
From what I could find your gun is made by Winchester. It should say it on your gun somewhere though.
Between 90-180 dollars,depending on overall condition.
Proofhouse.com has Winchester serial number data.
The Winchester Model 12 16 gauge shotgun, with serial number 1779186, was made in 1918. This is according to the information released by Winchester.
With the serial number that you have supplied,your Winchester model 12 shotgun in 16 gauge was made in the year 1923.
Your Winchester Model 12 Slide Action Shotgun in 12 gauge with serial number 1747610, was manufactured in 1959.
No not to my knowledge but Winchester did.
No