I ran across this on another forum & thought it might be worth bringing up here to make people aware. More & more states are making permitless carry legal. However there seems there is a fly in the ointment. There is a federal law that says it is illegal to carry a firearm within 1000 feet of a school zone if you do not have a license to carry a firearm. Here is a link to the law. This would seem to nullify permitless carry & make many people vulnerable to being prosecuted when they thought they were not doing anything illegal.
18 U.S. Code § 922 - Unlawful acts
www.law.cornell.edu