Idaho NFA Laws

Idaho has no additional state restrictions on NFA items. All four categories are legal for federally approved owners. Idaho law affirmatively permits suppressor use while hunting, and the state has been proactive about firearms-rights legislation in recent years.

NFA item legality in Idaho

  • Suppressors: Legal
  • Short-barreled rifles (SBRs): Legal
  • Short-barreled shotguns (SBSs): Legal
  • Machine guns (pre-1986 transferable): Legal
  • Hunting with a suppressor: Permitted

State requirements

  • No additional state requirements beyond the federal NFA process.

Frequently asked questions

Are suppressors legal in Idaho?

Yes. Suppressors are legal in Idaho for residents who complete the federal NFA process (ATF Form 4, $200 tax stamp, background check). Hunting with a suppressor is also permitted.

Are short-barreled rifles (SBRs) legal in Idaho?

Yes. Short-barreled rifles are legal in Idaho for residents who complete the federal NFA process (ATF Form 4, $200 tax stamp, background check).

Are machine guns legal in Idaho?

Transferable machine guns registered before May 19, 1986 are legal to own in Idaho after ATF Form 4 approval. No new machine guns can be registered to civilians under federal law (the Hughes Amendment).

Do I need a state permit for NFA items in Idaho?

No state-specific NFA permit is required in Idaho; the standard federal process (ATF Form 4 or Form 1, fingerprints, background check, tax stamp) applies.

Last reviewed 2026-07-04. This is general information, not legal advice — verify with the ATF or a qualified attorney.

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