Tucson, AZ Man Sentenced to 57 Months for Possessing a Glock Switch Automatic Firearm

Editors Note: The following press release is directly from ATF. Regular readers of AmmoLand News know our stance on the unaccountable Federal Agency: No comment. We invite our readers to leave their hard-hitting insights in the comments below.

Glock Switch for sale Quarkscm com screengrab 3-7-2022
Glock Switch

TUCSON, Ariz. – -(AmmoLand.com)-Last week, Anthony Michael Brumfield, 24, of Tucson, was sentenced by U.S. District Judge Scott H. Rash to 57 months in prison, followed by three years of supervised release. Brumfield previously pleaded guilty to one count of Possession of a Machine Gun.

On February 12, 2020, Brumfield posted a video on his social media account showing him in possession of two conversion devices, which are designed to convert Glock pistols into automatic firearms. These conversion devices are defined as machine guns under federal law. On the same date, Brumfield sold one of the conversion devices to another individual.

“Conversion devices like the ones possessed by the defendant are inherently dangerous,” said United States Attorney Gary Restaino. “And let’s be clear: these aren’t used for hunting, or for personal protection. These devices are drivers of violence in communities across America.”

This case was prosecuted as part of the joint federal, state, and local Project Safe Neighborhoods (PSN) Program, the centerpiece of the Department of Justice’s violent crime reduction efforts. PSN is an evidence-based program proven to be effective at reducing violent crime. Through PSN, a broad spectrum of stakeholders work together to identify the most pressing violent crime problems in the community and develop comprehensive solutions to address them. As part of this strategy, PSN focuses enforcement efforts on the most violent offenders and partners with locally based prevention and reentry programs for lasting reductions in crime.

The Bureau of Alcohol, Tobacco, Firearms, and Explosives conducted the investigation in this case. The United States Attorney’s Office, District of Arizona, Tucson handled the prosecution.

CASE NUMBER: CR-20-00889-TUC-SHR (EJM) RELEASE NUMBER: 2022-091_Brumfield

For more information on the U.S. Attorney’s Office, District of Arizona, visit http://www.justice.gov/usao/az

Follow the U.S. Attorney’s Office, District of Arizona, on Twitter @USAO_AZ(link is external) for the latest news.

Phoenix Field Division

Bureau of Alcohol, Tobacco, Firearms, and Explosives

ATF is the federal law enforcement agency responsible for investigating violations of the federal firearms and explosives laws and regulations. More information about ATF and its programs can be found at www.atf.gov.

Bureau of Alcohol, Tobacco, Firearms and Explosives ( ATF )

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I want one now


Prior Restraino. Did he get confirmed? Another treasonous head of treasonous ATF?


Just curious: Has a Glock Switch ever been used in a violent crime? And, yes. Posting his toy on social media is as stupid as it is common in this day and age.

Papa J

Call me stupid, but how does the mere possession of this device make it a “Machine Gun”, unless it was installed on the Glock Pistol it was designed for? Kind a stretching the law a little bit there aren’t you Restaino?!

Wild Bill

That is what tyranny does.

Charlie Foxtrot

You may want to start by reading the corresponding federal law: 26 U.S.C. § 5845(b) at https://www.law.cornell.edu/uscode/text/26/5845 “The term “machinegun” means any weapon which shoots, is designed to shoot, or can be readily restored to shoot, automatically more than one shot, without manual reloading, by a single function of the trigger. The term shall also include the frame or receiver of any such weapon, any part designed and intended solely and exclusively, or combination of parts designed and intended, for use in converting a weapon into a machinegun, and any combination of parts from which a machinegun can be assembled… Read more »


Constructive Possession….intent.

Charlie Foxtrot

No, read the law!

As the article states, “conversion devices are defined as machine guns under federal law”.

Possession of an unregistered machine gun part, such as a Glock auto sear, is a federal felony.


You did an excellent job of laying down the law for us, now please tell us more. Do you favor and support this law or do you oppose it and view it as unconstitutional ?
Please take note of the question mark. I am asking your opinion. This is a question, not a statement about you positive or negative.

Charlie Foxtrot

I have been on Ammoland for years and mostly comment on gun rights articles. If you had followed those posts, then you would know that I find this law unconstitutional. I am just not ignorant of the law. That’s all.

Roland T. Gunner

So, did this “evidence based” program actually show Mr. Brumfield was in fact a “most dangerous offender”, or was AFT just plucking more low hanging fruit, in the form of a not-too-bright kid with a couple of novelty giggle switches? And that dumbest judge has no business injecting his study notes on the 2nd Amendment into the proceedings. The only reason these particular devices are not commonly used for defense is that nobody can legally possess them.

Big George

“Brumfield posted a video on his social media account…”
To quote Forest Gump...” Stupid is as stupid does”!


Looks like the government thugs are bragging about armed robbery, aggravated kidnapping, and violation of rights again.

Watch um

At 79 years old and in very poor health I couldn’t control a full auto pistol. I have shot machine guns in the army and they were fun to shoot. Yes the guy was stupid for displaying it


The sentence was far too excessive for the “crime,” but, in fairness, he was really sentenced for being stupid on the internet.


Naaaa…that’s not a violation of the 2nd amendment. Or the 8th amendment against cruel and unusual punishment which in my simple mind a 57 month stay in a rape cage for a non crime (was there a victim? ) is cruel and unusual punishment. Or was it for not paying $200? I feel so much safer knowing the gang that attacked a church in April 1993 is out there saving us from people who have automatic Glocks. Makes me feel so warm and fuzzy.

American Cynic

If by defending yourself, you mean from prosecution, start by not advertising your stupidity on the internet. And then consider this… if you are ever in a stuation of self-defense, and you happen to be using one of these devices, I hope for your sake, you can swap it out before any one sees you and before the LEOs arrive.


Hell I wouldn’t be surprised if these things didn’t just walk across the Southern Border. lol


ATF is probably dropping them by the cases to the drug cartels in Mexico.


So what neighborhood did he shoot up ? Dangerous is the reason for not being allowed to own a piece of plastic ? Hell life is dangerous. Best get rid of all vehicles. DEFUND THE ATF !

Captn John

Posted a video on social media, not the smartest move!




Agreed, maybe the 4473 should just be replaced with a quick IQ test?


The ATF loves low-hanging fruit. Otherwise, they would be doing traffic stops 24/7 in places like Chicago, St. Louis, Oakland, and Houston, contending with truly dangerous and illegally armed threats to the community. But the only time they “arrest” anyone dangerous is when some local police department calls them and tells them they have a felon in custody who possessed something illegal and they want the feds to take the case so they go away for a longer time. Usually, the ATF is looking for 60 year old hunters whose felony convictions from their teen years were reduced to a… Read more »


Going to prison isn’t an option. Going to the grave fighting for actual freedom may be.


A true constitutionalist knows these are a joke, we should not have to resort to gimmicks to have the very arms the founding fathers affirmed we should have via our God given rights to security and freedom, the right to be equally or preferably better armed than the government for a time like now when (not if) it would become corrupt and completely rogue.


You can own them. But you need to pay your 10% & kiss the ring.


I bet you a dollar 98% of these are used purely for fun. Regular people go into the woods/desert expend 3-4 magazines for some serious giggles then go back home and take them off and put them away until the next time of fun. Nobody hurt and nobody knows…..


“Conversion devices like the ones possessed by the defendant are inherently dangerous,” said “United States Attorney Gary Restaino. “And let’s be clear: these aren’t used for hunting, or for personal protection. …” I don’t know about hunting, but exactly why could these devices not be used for personal protection? If multiple cruds are forcing their way into your home, or trying to take you down on the street between your home and the store, your car and the store, or otherwise, I imagine a burst from a gun fitted with such a device would make any who were not hit,… Read more »


Firearms are inherently dangerous. That’s why people have them.


They seem entirely with the spirit of the 2nd amendment to me.

Patriot Solutions

Me too since 2A does not exclude them as it does government encroachment.


the criminals likely to need this is everyone that cherishes freedom , the police and feds proved with things like waco they are the true criminals


I think maybe the guy should have used it against the oath breakers that came to cage him for a non crime. THEY are the criminals. No “law” should exist for a crime unless there is a victim involved. If you are willing to cage or kill me for keeping the fruits of my labor, YOU are the criminal, not me. If you are willing to cage or kill me enforcing a law telling me that I cannot smoke, eat or drink what I want, YOU are the criminal not me. If you are willing to cage me or kill me… Read more »