I do not think you can carry your suppressor out of the US. I talked to people at Homeland Security, FBI and ATF and no one would give me a definite YES on this. The problem isn't getting it OUT of the US, it is bringing it back INTO the US. This is defined as 'importing' and suppressors cant be imported. It all boils down to the person you have doing the "gun inspection" when you go through customs, get a 'hard ass' and you may get arrested, paper work or not!! Or you 'can" may get confiscated and you could be arrested, even with your paperwork!! , It was a crap shoot I didn't want to deal with so I hunted with out it. But, we were hunting the Kalahari area so it was open and muzzle blast wasn't a problem even with a .300 magnum and a .375 Ruger.