Written & reviewed by External Legal AI · Published July 2, 2026
Carry law is among the most state-specific areas in American law. Whether a permit is required, where carrying is allowed, and whether a permit means anything across the state line all depend on the states involved — and the answer can flip completely at the border. Here is the general architecture.
A large group of states now allows eligible adults to carry a concealed handgun with no permit at all — often called permitless or 'constitutional' carry. Most of the rest are 'shall-issue': the state must grant a carry permit to any applicant who clears the objective requirements, typically a background check and training. Since the Supreme Court's Bruen decision in 2022, a state may not condition a permit on proving a special need to carry — but it can still require the permit itself, training, and fingerprints, and still disqualify applicants on objective grounds.
A carry permit is valid in another state only if that state chooses to recognize it. Recognition is one-directional, varies permit by permit, and changes as laws change — a permit honored on the drive out can be worthless in the next state over. Even permitless-carry states impose their own eligibility rules on visitors. Before crossing a state line armed, the destination state's official source — its attorney general or state police — is the only reliable place to check.
No regime opens every door. The federal Gun-Free School Zones Act generally bars possessing a firearm within 1,000 feet of school grounds, and its license exception is keyed to a license issued by the state where the school zone sits — an out-of-state permit generally does not fit it. Federal buildings, courthouses, and the secure areas of airports are restricted everywhere, and states add their own lists: bars, hospitals, transit, government meetings, and more.
A federal safe-passage law (18 U.S.C. § 926A) protects transporting a firearm through a state where you could not lawfully carry it — but only on its exact terms: the trip must be lawful at both the origin and the destination, the gun must be unloaded, and neither it nor the ammunition may be readily accessible from the passenger compartment, which in practice means a locked trunk or locked container. The protection covers transporting, not carrying, and extended stops along the way can put a traveler outside it.
Permitless does not mean unrestricted. People who are federally prohibited from possessing firearms — because of a felony conviction, a domestic-violence record, or the other prohibited-person categories — cannot lawfully carry in any state. And every state layers its own carry-specific offenses on top, such as carrying while intoxicated or carrying in defiance of a posted or private-property prohibition.
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