No way to answer. Sorry.
Contact your local police department and give them the serial number. The Police can check on the stolen gun list maintained by the BATFE. If the gun is stolen, the Police will conficate the piece and begin investigation of how it was acquired.
No. You won't be returned a firearm which has the serial number removed.
Contact your local police. If it was reported stolen, it should be in the system.
If you think it's stolen, ask the police to run the serial number.
No.
Have the police run the serial number.
Go the the gunshop or person you bought it from.
Go to the local police with the serial number.
Go to the police.
You can't. Contact the police if you believe it is stolen.
Contact your local police and ask them to run the serial number.
If police have serial number they can enter it into the national crime index computer.N.C.I.C.