Before the trip
Please, make sure you send us the Personal Shooting Form (with shotgun information and serial numbers) and the photocopy of the ID page in your passport.
US: Please, request U.S. Customs Form 4457-Certificate of Registration for Personal Effects Taken Abroad to register your shotguns. You will need it to re-enter into the U.S.
Europe: Please, inform the airline that you will be carrying shotguns.
You will have to declare them on the day of the flight.
Personal Shooting Form