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A short-barrel rifle, sometimes called an SBR is one of the most popular NFA items today. So many modular firearms like the AR-15 or pistols, CZ Scorpion Evo, or Henry Bear's Leg can be quickly turned into an SBR in minutes with the right parts. people have been wondering more and more about how to get an SBR tax stamp. It isn’t too hard to get an SBR tax stamp for a ready-made SBR or to get permission to make your own, but there are some key things you need to know before you start.
Broadly speaking, a short-barrel rifle is a legal relic of a distant time when there was a very real chance handguns would get banned in the US. Amidst a moral panic over immigrants, Prohibition-era crime, and sensationalist yellow journalism, there were growing calls to ban the ownership and sale of handguns in the US.
The National Firearms Act of 1934 originally intended to require the registration of handguns with a $200 tax, which would have effectively banned them at that time. However, this was dropped from the final version. Short-barrel rifles remained on the list of regulated firearms though. They were originally included to ensure people simply didn’t cut down rifles as a handgun substitute. For some unknown reason, SBR’s remained regulated even when handguns escaped the axe of Federal registration.
Generally, a short-barrel rifle is any gun that has a butt stock, and with a barrel under 16 In. There are some finer points to the matter, but these two are the key defining features.
That’s why it is possible to build an AR lower into a pistol with a short barrel and no butt stock. But, it is illegal to take an AR-15 rifle, remove the butt stock and put a pistol upper on it. The only way around that if it was first built as a pistol. Confusing yes, but that’s the law. You have to register the serial number on the receiver as a pistol for this to work.
An SBR is anything that started out life as a regular rifle with a 16 in. or longer barrel and a butt stock. It also applies for any gun with a barrel under 16 in. fitted with a butt stock. Again, this is a broad simplification, but it works.
There is a push lately from the firearm manufacturers to sell what is technically a pistol, but the idea is that the buyer will convert it to an SBR. There are some really cool new guns out. My personal favorite is the Henry Bear's Leg lever-action pistol in .45/70.
Whether you’re making or buying an SBR, you used to have to pay a $200 tax to get the gun. But the Big Beautiful Bill made the fee go away for suppressors. The same fee was also eliminated for SBRs. Like suppressors, you still need to fill out the proper form and apply for the Federal Stamp. However, you don't have to pay $200. This stamp is part of the registration of the gun. If you’re building the gun yourself then you can file an ATF Form 1.
An ATF Form 1 lets you build the gun at home. You file the application, wait anywhere from a few days to a few weeks, depending on how fast the ATF is working. You'll get your approval and tax stamp in the mail.
If you’ve obtained an SBR through a gun shop or an NFA dealer online, you're in luck. The ATF Form 4 is used for the transfer of existing NFA items like commercially-made SBR’s. Right now, the ATF is approving Form 4s in record time.
At the time of this writing, Form 1’s filed in the name of a gun trust with ATF eForms have the shortest SBR tax stamp wait time. But be sure to check NFA wait times for yourself to see what is fastest, as many things can influence how quickly forms are processed.
We can say this - the process for approvals of all NFA items and the issuing of Federal stamps has become much shorter. What was traditionally a wait time of months, is now weeks to days.
It’s pretty easy, really. First, choose whether you are going to Form 1 or Form 4 your SBR. Then, file the paperwork (ideally electronically and in the name of a trust), send photo and fingerprints, and wait for the Tax Stamp Fairy to bring you your tax stamp. It doesn't take long at all for the ATF to approve the stamp. It can get held up for small things, but even then, it's usually not more than a few weeks.
Did you know Silencer Central customers have it a bit easier when it comes to Form 1 applications? All of our customers receive a totally free NFA gun trust (a $250 value!) when they purchase any of our silencers.
These trusts are full, complete NFA gun trusts that can be used to add more NFA items, and even for Form 1 applications. They can support multiple trustees, and even the rest of your firearms collection, making them ideal for estate planning purposes.
If you’re a Silencer Central customer, your next (or first) SBR just got a lot easier. If you aren’t a Silencer Central customer yet, did you know we sell silencers in all 42 states where they are legal? And you can get your silencer mailed directly to your door once it is approved? Plus, get that free NFA gun trust written specifically for YOUR state?
Check out our NFA Gun Trust page, then go take a look at our silencers.
About how to obtain a Short barreled rifle
The ATF defines an SBR as a firearm designed to be fired from the shoulder with a barrel length of less than 16 inches, or an overall length of less than 26 inches.
There are two ways to get an SBR that start with the proper approvals from the ATF. You can get a:
Form 4 (Purchase): Buy a completed SBR from a dealer, apply for the Federal Stamp, submit fingerprints/photos, and wait for ATF approval.
Form 1 (Make): Buy an existing rifle or pistol, file a Form 1 to "make" your own SBR. It is the same basic process as the Form 4.
It used to take month to get anything approved, but that time had dropped dramatically. Now, you can get an approval in as little as a matter of hours to maybe a few weeks. There are some cases that take longer.
You must check the laws in the states you are going to and traveling through to ensure that your SBR is legal there. It isn't a bad idea to notify the ATF and ask, just to be safe.
Yes, you need to engrave it if you file a Form 1. The ATF requires the maker's name (individual or trust) and location (city/state) to be engraved on the receiver, frame, or barrel to a depth of at least .003 in. and a print size no smaller than 1/16 in.
This has been the center of much controversy within the Federal Government. An arm brace is a device attached to the back of a pistol be it an AR or another type of pistol, that steadies the pistol against the inside of your shooting arm. It looks a lot like a butt stock and so there have been multiple attempts to ban them. Check with your local law enforcement to be sure you're on the right side of state law. They are legal at the Federal level, but states can say otherwise depending on which one you're in.
