The Winchester 140 is a semi-automatic shotgun, known for its gas-operated action, which allows for faster follow-up shots and reduced recoil. In contrast, the Winchester 870 is a pump-action shotgun, requiring the shooter to manually cycle the action for each shot, which can provide greater reliability in adverse conditions. Additionally, the 870 is widely recognized for its versatility and is available in various configurations for hunting, home defense, and tactical use. Overall, the primary difference lies in their operating mechanisms and intended use cases.
Your Winchester model 1400 semi-auto shotgun is valued at between 140-220 dollars,depending on overall condition and a good bore.
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.
Between 140-200 dollars for a shotgun having between 60%-90% of its original finish remaining.
The Winchester 140 12 gauge has a choke barrel at 28". This is the same choke size as the 20 gauge model.
Your Winchester ranger model 140 was made from 1967-1973.Winchester did not keep serial number records of this model of shotgun.
Blue Book of Gun Values
Best to ask a gunsmith for help
A Winchester model 1200 field grade shotgun will be between 90-150 dollars for a plain barrel model,100-165 for a vent rib barrel model,and between 140-200 dollars for a shotgun with the Win choke present.
100-300 USD
you cannot increase the capacity of a Winchester 140, 1400 or 1500 because the gas piston is in the end of the magazine tube and must line up with the ports in the barrel
100-300 USD
The model is obsolete, however we have a good supply of parts for that model. sales@countrygunsmith.net