ATF Gun Serial Number Check: What You Can and Can't Look Up
If you're buying a used gun and want to run the serial number past the ATF, here's the short answer: you can't. Here's why, and what you can check instead, free, in a few seconds.
1 free check · No credit card · Updated October 7, 2026
Quick answer
Can I check a gun serial number with the ATF?
You can check the serial on SafeOrStolen (safeorstolen.com/firearms-check), which searches more than 220,000 police theft and loss reports from 33 states and Washington, DC, live Ohio law-enforcement records and its own theft reports, with the first check free. The ATF keeps no public serial lookup or national registry of guns, and its tracing system, eTrace, is for law enforcement.
What the ATF can and can't do with a serial number
| Question | Answer |
|---|---|
| Can the public look up a serial number with the ATF? | No. There is no public ATF lookup of any kind. |
| Does the ATF keep a registry of guns or owners? | No. The Firearm Owners Protection Act of 1986 bars a national registry. |
| What is ATF eTrace? | The ATF's tracing system. Police use it to trace a recovered gun from the maker to the first retail buyer. Law enforcement only. |
| Where are stolen guns recorded? | In the FBI’s National Crime Information Center (NCIC) stolen-gun file, which police search. Law enforcement only, though since August 2025 licensed dealers can query it voluntarily. |
| Who can check a serial for me? | Your local police, if they choose to. Policies differ by department, so call the non-emergency line and ask. |
How to check a gun serial number yourself
Since the ATF can't help a private buyer, do these three things. Together they cover what a member of the public can check.
- Check the serial on SafeOrStolen. It searches police theft and loss reports from 33 states and Washington, DC, live Ohio law-enforcement records and owner reports, and flags serials that look altered.
- Ask your local police non-emergency line whether they will run the serial through NCIC. Some departments will; some only do it for a gun in their hands.
- Buy through a licensed dealer when you can. Many states require it for private sales, and the dealer can check the stolen-gun file.
A background check checks the buyer, not the gun
When you buy through a licensed dealer, the background check (NICS) asks whether you are allowed to own a gun. It does not search whether that particular gun was stolen. That is a separate check, which is why checking the serial before you pay still matters.
What a Firearm check looks for
A gun serial number check looks for reports that a specific gun was stolen or lost. Owners report thefts to local police, who enter them in the FBI’s NCIC stolen-gun file. The ATF's role is different: it traces guns recovered in crimes through their sales records, and it does not hold a list of stolen guns that the public can search.
Yes, anyone can check a gun here. Each result lists every source searched: SafeOrStolen's own theft reports, more than 220,000 police gun theft and loss reports from 33 states and DC, and live Ohio law-enforcement records. See the free gun serial number lookup.
Step by step
Find the serial number stamped on the frame or receiver. It may also appear on the slide or barrel.
Check it on SafeOrStolen and read the sources searched.
Call your local police non-emergency line and ask whether they will run it.
Buy through a licensed dealer when you can, and keep the paperwork.
If the serial is scratched, ground off or doesn't match the paperwork, walk away.
Type the serial number into the search box. SafeOrStolen searches more than 220,000 police theft and loss reports from 33 states and Washington, DC (filed 1973 to 2017), live Ohio law-enforcement stolen-gun records, its own theft reports. It also flags serials that look altered or obliterated.
Why check before you buy
A stolen gun can be taken back by police, and the buyer loses what they paid. Possessing a gun with an altered or removed serial number is a federal crime under 18 U.S.C. § 922(k). Checking the serial before you pay, and keeping a record that you did, protects you.
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