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Arizona Suppressor Laws in 2026: What ATF's October 9 Change Means Here

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Arizona is one of the friendliest suppressor states in the country. But its statute was written around federal law, and that matters now that ATF has stopped requiring registration. Here's what the text says, and where it isn't clear.

Not legal advice. This page summarizes Arizona statutes and public guidance as of the date above. It isn't a legal opinion about your situation. Talk to your dealer or an Arizona attorney before you buy, build or carry.

The short answer

What Arizona law actually says

Arizona doesn't have a suppressor ban with a carve-out. It has a list of "prohibited weapons," and a suppressor is on it. A.R.S. § 13-3101(A)(8)(a)(ii) defines a prohibited weapon to include "a device that is designed, made or adapted to muffle the report of a firearm." The same list covers machine guns and short-barreled rifles and shotguns.

Then subsection (B) takes them back out: those items "do not include any firearms or devices that are possessed, manufactured or transferred in compliance with federal law." Making, possessing or transferring a prohibited weapon is misconduct involving weapons under § 13-3102(A)(3), a class 4 felony under § 13-3102(M). Section 13-3102(F) separately covers the stock of licensed manufacturers and dealers.

So in Arizona, a suppressor is legal because it's federally compliant. For decades that meant an approved Form 4 and a registry entry.

How the federal October 9 change fits in

On October 9, 2026, ATF said it would no longer require NFA approval or registration to make or transfer suppressors, SBRs, SBSs and "any other weapons," for anyone, and that the tax on them stays at $0. It's an enforcement policy that follows the Silencer Shop Foundation v. ATF ruling, not a repeal of the statute. ATF's FAQ also says it can't tell anyone whether an unregistered item satisfies a state's law, and it reminds dealers that federal law bars them from selling where state law forbids it.

That puts the weight on six words in § 13-3101(B): "in compliance with federal law."

We think the 4473 argument is strong, but until a court or the Attorney General speaks, it's an argument, not a holding.

What Arizona dealers are doing

Practices vary, so ask before you buy. Two published examples:

Either way, the federal basics still apply: you buy from a dealer in your state of residence, complete the Form 4473, pass the background check, and you must be 21 to buy a suppressor from a dealer (18 U.S.C. § 922(b)(1)).

Is Arizona changing the law?

Not yet. In 2026 the Legislature passed SB 1069, which would have taken suppressors off the prohibited-weapons list entirely. Governor Katie Hobbs vetoed it on June 19, 2026. HCR 2037, a proposal to send the question to voters, passed the House but not the Senate, so it isn't on the November 3, 2026 ballot. The federal-compliance exemption is still the rule.

Hunting with a suppressor in Arizona

Arizona hunters are on solid ground. A.R.S. § 17-251 says the Game and Fish Commission "shall not adopt or enforce any rule that prohibits the lawful possession or use of a firearm silencer or muffler, including for the taking of wildlife or while hunting." The Commission can still set the type and caliber of firearm and ammunition for each hunt (§ 17-251(B)), so check the hunt regulations for your species and unit.

Note the word "lawful": the hunting statute protects a can you lawfully possess, which brings you back to § 13-3101(B).

Bottom line for Arizona buyers

If you want zero ambiguity, file the voluntary Form 4. It's free, and it satisfies "in compliance with federal law" under any reading. The 4473 path relies on a reasonable reading no Arizona court has tested. Either way, keep your dealer receipt. For the federal steps, see our full guide to buying a suppressor in 2026.

Frequently asked questions

Are suppressors legal in Arizona?
Yes. A.R.S. 13-3101 lists suppressors as prohibited weapons but exempts devices possessed, manufactured or transferred in compliance with federal law. Possessing one outside that exemption is a class 4 felony under 13-3102.
Can I buy a suppressor in Arizona on just a Form 4473?
Some Arizona dealers now do 4473-only transfers after ATF's October 9, 2026 guidance. Whether an unregistered can counts as in compliance with federal law under 13-3101(B) hasn't been decided by a court, so a voluntary Form 4 is the conservative choice.
Can you hunt with a suppressor in Arizona?
Yes. A.R.S. 17-251 bars the Game and Fish Commission from prohibiting the lawful possession or use of a suppressor while hunting. Firearm and caliber rules for each hunt still apply.
Did Arizona remove suppressors from its prohibited weapons list?
No. The Legislature passed SB 1069 in 2026, but Governor Hobbs vetoed it on June 19, 2026.

Sources

  1. A.R.S. § 13-3101 (prohibited weapon definition; (B) federal-compliance exemption)
  2. A.R.S. § 13-3102 (misconduct involving weapons; class 4 felony)
  3. A.R.S. § 17-251 (suppressors while hunting)
  4. Arizona Legislature: SB 1069 summary (vetoed)
  5. ATF: Update to NFA Transfer Guidance and FAQ (page last updated Oct. 16, 2026)
  6. ATF Open Letter, Oct. 9, 2026 (PDF)
  7. ATF fact sheet: NFA Guidance: Liberty and Justice for All (PDF; undated, linked from the guidance page last updated Oct. 16, 2026)
  8. Firearms Unknown (Yuma): 4473 transfer policy, Oct. 10, 2026
  9. CDC Arms: Class 3 and NFA firearms in Arizona (updated Oct. 9, 2026)

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