Montana NFA Laws
Montana has no state-level restrictions on NFA items beyond federal law. All four categories are legal. Suppressor use is permitted while hunting in Montana. The state passed a Firearms Freedom Act, though federal NFA law governs items that move in interstate commerce.
NFA item legality in Montana
- 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 Montana?
Yes. Suppressors are legal in Montana 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 Montana?
Yes. Short-barreled rifles are legal in Montana for residents who complete the federal NFA process (ATF Form 4, $200 tax stamp, background check).
Are machine guns legal in Montana?
Transferable machine guns registered before May 19, 1986 are legal to own in Montana 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 Montana?
No state-specific NFA permit is required in Montana; 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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