Not without going through a LOT of paperwork and paying a pretty hefty fee.
It depends on what country you're going to.
Yes, if you declare it as a firearm. You cannot bring air tanks however.
You could, but it would be considered a firearm fool
Yes
Depends on the parts, and from what country. The frame (receiver) of a gun is subject to import laws.
i dont think you can because its a "gun"
Sure
Alomost every gun store
dont bring a gun
Of what state and country
It all depends on the country where you live.
Sure; background checks are not nearly that comprehensive.