The barrel and receiver should have the same serial number.
Sn on barrel and receiver should match.
1950 sn range 285001-315000 per Browning's web site.
Please include the model number of your Winchester shotgun to get a correct answer to your question along with the serial number.
The serial number is on the frame.
Please include the serial number to get a correct answer to your question.
In order to answer your question correctly,I would need the maker of the shotgun,model number or name,and the serial number to determine the correct answer.
Serial number will be on the frame or receiver. not the barrel
The serial number should be on the front barrel band, in some cases it is on the barrel.
Barrel or receiver or both.
Stamped on barrel, Barrel and reciever one piece.
Impossible to answer without the serial number.
Check the receiver and barrel.