Yes, you can sell a suppressor in the 42 states that allow civilian ownership, but the sale is not a handshake deal. Every transfer runs through ATF Form 4, the buyer clears a background check, and the suppressor stays in your possession until the approved form comes back. The federal transfer tax that used to make this expensive is now $0, though the rest of the approval process is unchanged.
Where the Sale Is Legal
The National Firearms Act of 1934 classifies suppressors (the statute calls them “silencers”) as NFA firearms, in the same regulatory category as machine guns and short-barreled rifles.1Bureau of Alcohol, Tobacco, Firearms and Explosives. National Firearms Act Eight states and the District of Columbia ban civilian suppressor ownership outright. If you are in one of those places, you cannot legally sell one. In the other 42, ownership and sale are legal as long as you follow the federal NFA process, and some states add requirements on top.
Two facts about the buyer control whether the sale can go through at all. The buyer’s state has to allow civilian suppressor possession, and the buyer has to be legally eligible to possess firearms. Selling into a ban state will get the transfer denied, and going forward with the sale anyway is a federal crime.
Before You List It
The ATF will not approve a transfer unless the suppressor is already registered to you in the National Firearms Registration and Transfer Record.2Bureau of Alcohol, Tobacco, Firearms and Explosives. NFA Handbook – Transfers of NFA Firearms Your approved Form 4 (or Form 1, if you made it yourself) is your proof of registration. If you have lost it, request a copy from the ATF before you try to sell.
Confirm the suppressor is legal in the buyer’s state before you agree to anything. It saves both of you a wasted application.
Selling to a Private Buyer in Your State
A same-state sale between two private individuals does not have to go through a licensed dealer, which surprises a lot of sellers. You and the buyer can complete a Form 4 together and submit it directly to the ATF.2Bureau of Alcohol, Tobacco, Firearms and Explosives. NFA Handbook – Transfers of NFA Firearms Each of you fills out your portion, and the buyer sends a copy of the completed form to the chief law enforcement officer in their jurisdiction along with fingerprint cards and photographs.3Bureau of Alcohol, Tobacco, Firearms and Explosives. ATF Form 5320.4 – Application to Transfer and Register NFA Firearm
Plenty of private sellers still use a dealer for a same-state sale because the dealer runs the paperwork, holds the suppressor during the wait, and manages the handover. Dealer facilitation fees for NFA transfers typically run between $75 and $150.
Selling Across State Lines
The ATF will not approve a transfer directly to a non-dealer buyer in another state. To sell out of state, you transfer the suppressor to a Federal Firearms License holder with a Special Occupational Tax designation (commonly called a “Class 3” dealer) in the buyer’s state, and that dealer then transfers it to the buyer on a separate Form 4.2Bureau of Alcohol, Tobacco, Firearms and Explosives. NFA Handbook – Transfers of NFA Firearms That is two Form 4 approvals, back to back.
Not every FFL can handle a suppressor. The dealer needs the SOT specifically, which is what authorizes dealing in NFA items.4Bureau of Alcohol, Tobacco, Firearms and Explosives. Federal Firearms Licenses Confirm the SOT status before you ship.
What Form 4 Requires
Every suppressor sale uses ATF Form 4, “Application for Tax Paid Transfer and Registration of Firearm.”5Bureau of Alcohol, Tobacco, Firearms and Explosives. eForms Applications The form captures identifying information about you, the buyer, and the suppressor itself, including make, model, caliber, and serial number.
For an individual buyer, the application includes:
- FBI Form FD-258 fingerprint cards.
- Passport-style photographs.
- A copy of the completed form sent to the chief law enforcement officer in the buyer’s jurisdiction. The officer does not have to approve anything, but the ATF requires the notification.3Bureau of Alcohol, Tobacco, Firearms and Explosives. ATF Form 5320.4 – Application to Transfer and Register NFA Firearm
The ATF then runs the buyer through the National Instant Criminal Background Check System.5Bureau of Alcohol, Tobacco, Firearms and Explosives. eForms Applications The buyer has to be legally eligible to possess firearms: no felony convictions, no qualifying domestic violence convictions, no other federal disqualifiers. When a licensed dealer is involved, the buyer must also be at least 21.6Office of the Law Revision Counsel. 18 U.S. Code 922 – Unlawful Acts
If the buyer is an NFA gun trust rather than an individual, the Form 4 names the trust as the transferee, and the trust documentation (agreement, schedules, referenced attachments) goes in with the application.2Bureau of Alcohol, Tobacco, Firearms and Explosives. NFA Handbook – Transfers of NFA Firearms Under ATF Rule 41F, every “responsible person” on the trust submits fingerprints and photographs, just like an individual buyer.
The Transfer Tax Is Now Zero
The NFA transfer tax for a suppressor is currently $0. Federal law sets the tax at $200 for machine guns and destructive devices, and at $0 for all other NFA firearms, which covers suppressors, short-barreled rifles, short-barreled shotguns, and “any other weapons.”7Office of the Law Revision Counsel. 26 U.S. Code 5811 – Transfer Tax The current Form 4 reflects that rate.3Bureau of Alcohol, Tobacco, Firearms and Explosives. ATF Form 5320.4 – Application to Transfer and Register NFA Firearm The change is recent enough that you will still see references online to a $200 suppressor stamp; those are outdated.
How Long the Wait Is
The ATF accepts Form 4 submissions electronically through eForms or on paper. Electronic is dramatically faster and is the default for dealer-facilitated sales. As of early 2026, eForm 4 processing averages about 10 days for individual buyers, with a median of 12 days. Trust submissions average around 26 days.8Bureau of Alcohol, Tobacco, Firearms and Explosives. Current Processing Times Paper Form 4s currently average 21 days for individuals and 24 days for trusts.
These are averages. Some applications take longer because of additional research or fluctuations in volume.8Bureau of Alcohol, Tobacco, Firearms and Explosives. Current Processing Times When the Form 4 is approved, the ATF returns the stamped form to the FFL or, for a direct private transfer, to the address on the application.
Do Not Hand It Over Early
The suppressor stays with you until the ATF approves the Form 4. This is not a standard firearm sale where the buyer walks out with the item. Handing over the suppressor before the approval comes back is one of the fastest ways to catch a federal charge, and it is the single most common mistake sellers make. Take money in escrow if you need to, but the physical transfer waits for the stamp.
If You Are Transferring an Inherited Suppressor
A sale is not the only way a suppressor changes hands. If you are settling an estate rather than selling your own registered item, the transfer uses ATF Form 5, not Form 4, and no transfer tax applies. A lawful heir is anyone named in the will or, without a will, anyone entitled to inherit under the state’s intestacy laws. Form 5 inheritance transfers cannot cross state lines; an out-of-state heir has to receive the item through an FFL/SOT in their state instead.2Bureau of Alcohol, Tobacco, Firearms and Explosives. NFA Handbook – Transfers of NFA Firearms
What an Illegal Transfer Costs
Selling a suppressor without ATF approval, transferring one to a prohibited person, or possessing an unregistered suppressor are all federal crimes under the NFA.9GovInfo. 26 U.S. Code 5861 – Prohibited Acts10Office of the Law Revision Counsel. 26 U.S. Code 5871 – Penalties11Bureau of Alcohol, Tobacco, Firearms and Explosives. NFA Handbook – Penalties and Sanctions Approval first, transfer second. That order is the whole rule.