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Check the receiver and barrel
inspector marks, sn, proof mark, etc..
Located on the barrel or receiver.
Check the barrel and receiver.
The markings on the receiver and barrel will tell.
Check the barrel and receiver.
Look on the barrel/receiver and it will tell you.
It will be marked on the receiver/barrel.
Look on the receiver and barrel.
Check the barrel and receiver
Check the receiver and barrel
They should not be.