What Is an NFA Gun Trust and How Does It Work?

An NFA gun trust is a revocable living trust created to hold firearms and accessories regulated under the National Firearms Act. Instead of registering a suppressor, short-barreled rifle, or other NFA item to you personally, you register it to the trust. Every person you name as a trustee can then legally possess and use those items, and the trust document controls who inherits them when you die. A 2025 federal law dropped the transfer and manufacturing tax to $0 on everything except machine guns and destructive devices, which makes 2026 a cheaper year to build a collection through a trust than any year that came before it.

The Three Roles Inside the Trust

A trust is its own legal entity, and it becomes the registered owner of every NFA item placed inside it. Three roles keep it running.

The settlor (sometimes called the grantor) creates the trust, writes its terms, and usually names themselves as the first trustee. Trustees manage the trust property. They are the people who can legally possess, transport, and use the NFA items day to day. Beneficiaries inherit the items when the settlor dies or the trust terminates. One person can hold more than one role. A typical setup has the settlor serving as primary trustee, a spouse or adult child as co-trustee, and children named as beneficiaries.

Every trustee, plus anyone else with authority to direct how the trust operates, counts as a “responsible person” under ATF rules. That label matters because each responsible person must be fingerprinted, photographed, and background-checked every time the trust applies to acquire or make an NFA item.¹ The definition reaches beyond people named as trustees. It captures anyone who possesses the power to direct the trust’s management or policies, whether that power comes from the trust document itself or from state law.²

Why People Use a Trust Instead of Registering to Themselves

Individual registration is simpler on paper. One person, one background check, one signature. But a trust solves several problems that individual registration can’t.

Shared legal possession. If an NFA item is registered to you as an individual, nobody else can legally handle it when you’re not present. A trust lets every named trustee possess and use the items independently. For a household where two spouses shoot, or a parent and adult child share a suppressor, this avoids what would otherwise be a federal felony.
Clean inheritance. NFA items owned individually go through the full ATF transfer process at death. Items inside a trust transfer to the named beneficiaries on ATF Form 5, tax-free, without probating those specific items.³
Incapacity coverage. If an individual registrant becomes incapacitated, there’s no clean legal mechanism for anyone else to take over the items. A trust names successor trustees who can step in without a new ATF application.
Constructive possession protection. If your individually registered suppressor sits in a safe your spouse can open, your spouse arguably has constructive possession of an NFA item not registered to them. Naming that spouse as a co-trustee eliminates the risk.

The trade-off is paperwork. Every responsible person goes through the background check for each new application. If you’re the only person who will ever use the items and you don’t care about inheritance planning, individual registration is simpler and involves fewer fingerprint cards.

What a Trust Can Hold

The National Firearms Act covers a specific list. A trust can hold any of these, subject to state law and to the machine gun freeze described below.

Suppressors (also called silencers). Legal in roughly 39 states.
Short-barreled rifles: a rifle with a barrel under 16 inches or an overall length under 26 inches.⁴
Short-barreled shotguns: a shotgun with a barrel under 18 inches or an overall length under 26 inches.⁴
Any other weapons (AOWs): a catch-all for concealable firearms outside the other definitions, including pen guns and smooth-bore pistols built to fire shotgun shells.⁴
Destructive devices: explosive items such as grenades and rockets, plus firearms with a bore over half an inch (sporting shotguns excluded).⁴
Machine guns: any firearm that fires more than one round per trigger pull, along with the frame, receiver, and conversion parts.⁴

Civilians can only own machine guns manufactured and registered before May 19, 1986. The Firearm Owners’ Protection Act closed the registry to new civilian machine guns after that date, with narrow exceptions for government agencies.⁵ A trust doesn’t change that. It can hold a pre-1986 registered machine gun, but not a newer one.

Federal law sets the floor. Your state sets the ceiling. Several states ban suppressors, SBRs, or machine guns outright, and a handful prohibit nearly all NFA items. Putting an item in a trust does not override a state-level prohibition. Verify that anything you plan to acquire is legal where you live before filing.

What It Costs in 2026

The 2025 federal law (Pub. L. 119-21) restructured the NFA tax for both transfers and manufacturing. As of 2026:

Machine guns and destructive devices: $200 per item, whether transferred or manufactured.⁶⁷
Everything else (suppressors, SBRs, SBSs, AOWs): $0.⁶

Before the change, every NFA transfer carried a $200 tax (AOWs were $5). That barrier used to be a meaningful part of building a collection. It’s gone for the categories most people actually buy. You still submit the full application, wait for approval, and go through the background check. You just don’t write a check for the tax when filing.

Setting up the trust itself is a separate cost. Template NFA trusts online run $30 to $150. A firearms attorney will draft a custom trust for roughly $200 to $500. Notarization fees are modest, usually $5 to $15 per signature depending on the state. Templates work for a settlor with a single co-trustee and simple beneficiaries. Multiple co-trustees, layered beneficiary arrangements, or items spread across states are worth an attorney’s time, because a poorly drafted trust can be rejected by the ATF during an application and cost you months.

Setting the Trust Up

The trust document identifies the settlor, trustees, and beneficiaries, spells out what powers the trustees have, and directs what happens to the items when the settlor dies. It must comply with your state’s trust laws. Every state requires the settlor’s signature and notarization. Some also require witnesses.

The trust does not need to hold any NFA items at the moment you create it. Many people set the trust up first and acquire items later.

Acquiring NFA Items Through the Trust

Once the trust exists, it acts as the applicant for every purchase or build.

Buying From a Dealer

To buy an NFA item from a licensed dealer, you file ATF Form 4 (Application for Tax Paid Transfer and Registration of Firearm) with the trust listed as the transferee. Each responsible person must submit a completed ATF Form 5320.23 (Responsible Person Questionnaire), two passport-style photographs, and a fingerprint card on FBI Form FD-258.² A copy of the complete trust document, including every amendment, goes in with the application.

If the trust has had an application approved within the past 24 months and nothing in the trust has changed, you can skip resubmitting the full document. Instead, upload a letter certifying the trust information is unchanged and identify the prior approved application by form number, serial number, and approval date.⁸

Making Your Own

If you want to build an NFA item, such as converting a pistol into an SBR or assembling a suppressor from a kit, you file ATF Form 1 (Application to Make and Register a Firearm) before doing any work. The same responsible-person paperwork applies. You cannot begin manufacturing until approval comes back. Installing a shorter barrel first and filing after creates an unregistered SBR the moment you assemble it, and that’s a felony.

How Long Approval Takes

The ATF processes most NFA applications through its eForms system. As of January 2026, the average processing time for an eForm 4 trust application was 11 days. Paper Form 4 trust applications averaged 24 days. eForm 1 applications averaged 14 days.⁹ Times fluctuate with application volume, but electronic filing is consistently faster.

Passing Items to Heirs

When the settlor dies, the executor or personal representative of the estate can legally possess the trust’s NFA items during probate without that possession counting as a “transfer” under NFA rules. Before probate closes, the executor files ATF Form 5 to transfer each NFA item to the designated beneficiary.¹⁰ Form 5 transfers are tax-exempt, meaning no $200 stamp even for machine guns and destructive devices.³

The executor must submit proof of authority to manage the estate, the decedent’s death certificate, a copy of the will if one exists, and any other documents relating to disposition of firearms from the estate.¹⁰ If no beneficiary wants the items, the executor can transfer them to a non-beneficiary on a standard Form 4, which does require the applicable tax.

An heir or beneficiary receiving an NFA item on a Form 5 must be at least 18. The 21-and-over age floor applies only to purchases from a licensed dealer. That’s worth knowing if you plan to name younger family members as beneficiaries.

Crossing State Lines With Trust Items

Federal law requires prior ATF authorization before transporting a machine gun, short-barreled rifle, short-barreled shotgun, or destructive device across state lines.¹¹ You get that authorization by filing ATF Form 5320.20, processed through eForms in about 2 days as of January 2026.⁹

Suppressors and AOWs are exempt. You can transport a suppressor across state lines without filing Form 5320.20, as long as the destination state allows suppressor ownership. When you permanently relocate, file a 5320.20 for every item that requires one before the move. Filing for suppressors and AOWs during a permanent move is also a good idea, so the National Firearms Registration and Transfer Record reflects your new address. Trust ownership doesn’t change any of these interstate rules, and no ATF form can authorize bringing an item into a state that bans it.

Keeping the Trust in Good Order

Because the trust is revocable, you can amend it at any time. Common amendments add or remove trustees, change beneficiaries, or update the successor trustee. Every amendment should be signed and notarized with the same formalities as the original.

Adding a new trustee makes that person a responsible person. They won’t need to submit fingerprints and photographs the day they’re added, but they will go through the full background check the next time the trust files an application.²

Removing a trustee matters even more than adding one. If a trustee becomes a prohibited person under federal law, they cannot legally possess any firearm, including NFA items held by the trust. Federal law prohibits firearm possession by anyone convicted of a felony, anyone subject to a domestic violence restraining order, anyone convicted of a misdemeanor crime of domestic violence, unlawful drug users, and several other categories.¹¹ If a trustee falls into any of those categories, remove them immediately. Leaving a prohibited person on the trust with legal access to NFA items creates criminal exposure for everyone involved.

One drafting choice worth flagging: some NFA trusts include a “Schedule A” listing every item the trust holds. That sounds tidy, but the ATF requires a complete copy of the trust and all amendments with each application. A trust built around a schedule hands the ATF examiner your entire inventory every time you buy something new. A better approach is a separate assignment form for each acquisition, kept outside the trust document itself.

What Happens if You Get It Wrong

NFA violations are federal felonies. Possessing an unregistered NFA item, transferring one without ATF approval, or making one without a Form 1 approval carries a maximum of 10 years in prison and a $10,000 fine.¹² The penalties apply whether the violation was intentional or the result of ignorance.

The most common way trust owners stumble is constructive possession by a trustee who has become a prohibited person. Reviewing your trustee list annually, and acting immediately when someone’s legal status changes, is the single most important thing you can do to keep the trust and everyone named on it out of trouble.

1
Bureau of Alcohol, Tobacco, Firearms and Explosives. Background Checks for Responsible Persons (Final Rule 41F)
2
Bureau of Alcohol, Tobacco, Firearms, and Explosives. ATF Form 5320.4 (Form 4) Application to Transfer and Register NFA Firearm
3
Bureau of Alcohol, Tobacco, Firearms and Explosives. Application to Transfer and Register NFA Firearm (Tax-Exempt)
4
Office of the Law Revision Counsel. 26 U.S. Code 5845 – Definitions
5
Bureau of Alcohol, Tobacco, Firearms and Explosives. National Firearms Act
6
Office of the Law Revision Counsel. 26 USC 5811 – Transfer Tax
7
Office of the Law Revision Counsel. 26 USC 5821 – Making Tax
8
Bureau of Alcohol, Tobacco, Firearms and Explosives. Firearms Questions and Answers
9
Bureau of Alcohol, Tobacco, Firearms and Explosives. Current Processing Times
10
eCFR. 27 CFR 479.90a – Estates
11
Office of the Law Revision Counsel. 18 U.S. Code 922 – Unlawful Acts
12
Office of the Law Revision Counsel. 26 U.S. Code 5871 – Penalties