CarryRules

How much Firearms, blades, explosives, toxic/radioactive materials and interception devices can I bring into United States?

Restricted

You can bring Firearms, blades, explosives, toxic/radioactive materials and interception devices into United States only within the stated limits.

Cabin baggage
Checked baggage
Declaration Above allowance
Limit No stated quantity

What you need to know

  • No stated quantity
  • Channels: Carried with the traveler

Important

This allowance applies per person, not per family or group.

Official sources

Last verified 2026-09-19

Questions about Firearms, blades, explosives, toxic/radioactive materials and interception devices in United States

Do I have to declare firearms, blades, explosives, toxic/radioactive materials and interception devices at United States customs?
Yes — it has to be declared to United States customs on arrival.

Source: U.S. Customs and Border Protection — Prohibited and Restricted Items · verified 2026-09-19

What happens if I do not declare firearms, blades, explosives, toxic/radioactive materials and interception devices in United States?
Under 19 CFR 148.102, if you declare the excess yourself: a flat-rate charge is applied to the excess; the normal duty becomes payable on the excess. Under 19 CFR 148.18, if the goods are found without being declared: the goods are confiscated; an administrative fine is imposed. Under 19 U.S.C. 1497: the goods are confiscated; an administrative fine is imposed.

Source: U.S. Customs and Border Protection — 19 CFR Part 148 — Personal Declarations and Exemptions · verified 2026-09-20

Can I post or ship firearms, blades, explosives, toxic/radioactive materials and interception devices to United States instead of carrying it?
Not under this allowance. It covers goods a traveller carries; a parcel is an import and is assessed under the postal rules instead. Baggage sent before or after you travels under the same allowance.

Source: U.S. Customs and Border Protection — 19 CFR 145.31 Importations not over $800 in value · verified 2026-09-20

Can I take firearms, blades, explosives, toxic/radioactive materials and interception devices out of United States?
United States publishes no separate rule for taking firearms, blades, explosives, toxic/radioactive materials and interception devices out; the destination's rules are what will apply.
Does the United States limit for firearms, blades, explosives, toxic/radioactive materials and interception devices apply per person or per family?
Per person. Each traveller carries their own allowance and it cannot be pooled with anyone else's.

Source: U.S. Customs and Border Protection — Prohibited and Restricted Items · verified 2026-09-19

Where does this rule come from?
U.S. Customs and Border Protection states it in Prohibited and Restricted Items. CarryRules last confirmed that sentence at the source on 2026-09-19. The sentence it rests on reads: “Classified and Unclassified Items that have military application that are considered defense articles, thus require a license before the permanent export, temporary import and temporary export abroad.”

Source: U.S. Customs and Border Protection — Prohibited and Restricted Items · verified 2026-09-19

How does United States compare with other countries on firearms, blades, explosives, toxic/radioactive materials and interception devices?
Of the 20 countries covered here, 8 prohibit firearms, blades, explosives, toxic/radioactive materials and interception devices, 12 limit it and 0 let it through. United States is among the ones that set a limit.