Wooden dowel
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.
100-300 USD
3 Shot only. No removable plug.
100-300 USD
Your Winchester model 1400 semi-auto shotgun is valued at between 140-220 dollars,depending on overall condition and a good bore.
I got mine from a pawn shop for $140 although it was on sale.
If you are talking about a auto-5 shotgun? Then your auto-5 magnum shotgun was made in 1959.
Being that you said auto shotgun,then you have the Browning auto-5 shotgun that was made by FN in Belgium from 1903-1975.Your serial number indicates that your Shotgun was made in the year 1938.
The Auto Assault-12 shotgun is the AA-12 the most powerful action close combat shotgun in the World. The Auto Assault-12 is really the machine shotgun, not like a regular shotgun. The AA-12 is the only powerful shotgun that can pears through wall, body armor with the grenade and even vehicles.
To remove the plug from a Winchester Ranger shotgun, first ensure the shotgun is unloaded and pointed in a safe direction. Then, locate the plug inside the magazine tube, usually accessible by unscrewing the end cap or the magazine cap. Once the cap is removed, you can slide the plug out from the magazine tube. Reassemble the shotgun by securely replacing the cap.
Odd question... It's a auto-loading shotgun made from 1905-1947, actually it is the FIRST auto-loading shotgun produced in the U.S.A. !
Your western auto model 312AA shotgun was made by mossberg for western auto.The mossberg model 395,395K are the mossberg model designations for your shotgun.