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Can you bring a weapon to United States?

Short answer
Depends on specifics

  • Weapons

    depends on specifics

    Switchblade and other spring-loaded knives are generally prohibited. Firearms require advance ATF authorization (Form 6NIA for nonimmigrant visitors) and must be declared on CBP Form 4457.

    Also covers: weapons, knives, firearms, switchblade

    Checked 2026-08-10 — Source: U.S. Customs and Border Protection — prohibited and restricted items

Check your specific trip →Compare a weapon in every destination →Full United States guide →

Other things to check for United States

Informational only — not legal advice. Customs rules change; confirm with the official source above before you travel. See update history