You don't specify a time frame.
All Winchester model 12's are take-down designs. Winchester made a model 25 which is solid frame and very similar to the model 12.
By the specific serial number stamped into the frame.
The water table is that section of the frame that is covered by the barrels when the action is closed.
Winchester used the XTR suffix from 1983-1989.I would assume that your shotgun was also made during this time frame.
The Winchester model 1400 Mark II was only produced during the years 1968-1972.That is the time frame of your shotguns manufacture.
the frame.
The Winchester model 25 12 ga was manufactured between 1898 and 1925. It is a very common shotgun because there were so many made in that time frame. In excellent condition it is only worth $400.
No
Open the action. It is stamped on the water table, which is the flat part of the frame where the barrels sit. sales@countrygunsmith.net
You will have to specifiy if it is a handgun, rifle or shotgun.
The serial number was stamped into the bottom forward edge of the receiver frame right next to where the magazine tube enters the action. Bert H.