In article ,
"Martin Hinders" wrote:

They will most
likely be confiscated for the time you spend in the country, and returned to
you when you are leaving the country.

Only if you don't have a Bondable Customs Locker.....Do you really think
that all the Commercial Shipping, spend their timer InPort transporting
the contents of their Arms Locker, to, and from, the Customs
Office.......