Go to Proofhouse.com and look at the Winchester sn data. No Proofhouse does not give serial info on the Model 1200 only the dates of manufacture from 1964 to at least 1984
your Winchester model 1200 was made in 1986,with the serial number you provided.
The model 1200 was designed in 1964.
Receiver.
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.
Proofhouse.com has Winchester serial number data.
The 1200 was made from 1964-1981
The Winchester Model 1200 Shotgun started manufacture in 1964 with serial number 100,000. Winchester data shows that these serial numbers were assigned at the end of the calendar year; 1972 - L739617 1973 - L828677 1974 - L898065 ... therefore, your shotgun was manufactured in 1972.
I can say that the Winchester model 1200 shotgun was produced during the years 1964-1981.You might find Winchester,s home page and see if your shotgun can be dated by your serial number?
No sn data available.
these model 1200 shotguns range in price from 100-200 dollars.
50-300 usd