Single shot?
Rolling block?
Could be a part number, serial number, inventory number, etc..
The serial number is on the frame.
The barrel and receiver should have the same serial number.
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.
On the barrel.
This number is not the serial number, but a stamping on the barrel. Look under the receiver - forward of the carrier for the serial number.
what's the serial number ???? Serial number 6