S.388: A bill to amend title 18, United States Code, to provide a national standard in accordance with which nonresidents of a State may carry concealed firearms in the State.

Amends the federal criminal code to authorize a nonresident of a state to carry concealed firearms (other than a machinegun or destructive device) in that state if such nonresident has a valid permit to carry firearms in any state and is not prohibited from carrying a firearm under federal law, subject to restrictions imposed by the state issuing the permit or under this Act.