Colorado NFA Laws

Colorado allows all NFA items for eligible owners and imposes no additional state-level restrictions. The Colorado Wildlife Commission authorized suppressor use for hunting in 2018, covering most game species. SBRs, SBSs, and pre-1986 machine guns are permitted through the standard federal process.

NFA item legality in Colorado

  • 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 Colorado?

Yes. Suppressors are legal in Colorado 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 Colorado?

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

Are machine guns legal in Colorado?

Transferable machine guns registered before May 19, 1986 are legal to own in Colorado 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 Colorado?

No state-specific NFA permit is required in Colorado; 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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