Depending on the condition it's value is between $1000 to $1800 if it has the original folding stock. Add another $400 if it has the original cardboard box.
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.
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.
Check the receiver and barrel.
On the barrel.
what's the serial number ???? Serial number 6
Normally on the frame/barrel/receiver