Brass Knuckle Laws in Wisconsin (2026): Can You Actually Own Them?
Most people think brass knuckles are completely illegal everywhere. Wrong. Wisconsin has some pretty specific rules about these metal weapons, and honestly, they might surprise you. Let’s break down exactly what you can and can’t do with brass knuckles in the Badger State.
Here’s the deal. You can own brass knuckles in Wisconsin. But carrying them around? That’s where things get tricky. The laws are stricter than you might think, and the penalties can hit hard. Stay with me here.
What Are Brass Knuckles?
Brass knuckles are metal weapons that fit around your knuckles. They’re also called knuckle dusters or metallic knuckles. They concentrate your punch into a smaller, harder area. This makes them way more dangerous than a regular punch.
The basic design hasn’t changed much over the years. Four finger holes connected by a solid metal bar. Some are made of brass. Others use steel, aluminum, or even plastic. Wisconsin law treats them all the same way.
Why do these things exist? They were originally designed as weapons for hand-to-hand combat. They can break bones easily. They can cause concussions. In the worst cases, they can kill. That’s why Wisconsin regulates them as dangerous weapons.
Can You Own Brass Knuckles in Wisconsin?
Okay, this one’s important. Yes, you can legally own brass knuckles in Wisconsin if you’re an adult. Owning them at home is not a crime. Keeping them in your house or apartment is perfectly legal.
Pretty straightforward, right? But wait, it gets more complicated when you want to take them anywhere.
The law changes the moment you step outside your home. Or even if you just put them in your pocket inside your house. That’s where the concealed carry laws kick in. And trust me, this is where most people get in trouble.
The Concealed Carry Problem
Here’s where it gets serious. Carrying brass knuckles concealed is illegal in Wisconsin. Period. Even if you have a concealed carry permit, it doesn’t cover brass knuckles.
Let me explain. Wisconsin’s concealed carry license only covers three types of weapons. Handguns. Electric weapons like stun guns. Billy clubs. That’s it. Notice what’s missing? Brass knuckles.
So you might be thinking, “But I have a CCW permit, I’m good, right?” Nope. Your concealed carry permit does not give you permission to carry brass knuckles hidden on your person or in your vehicle. A lot of people assume it does. They find out the hard way.
Concealed means out of ordinary view. In your pocket. Under your jacket. In your car’s glove box. In a backpack. All of these count as concealed carry. All of these are illegal for brass knuckles in Wisconsin.
What About Open Carry?
Now, here’s where things get interesting. Wisconsin law doesn’t specifically ban open carry of brass knuckles for adults. If they’re visible and you’re over 18, you’re technically in a legal gray area.
But hold on. Just because something isn’t explicitly illegal doesn’t mean it’s a good idea. Openly carrying brass knuckles could still get you stopped by police. You could face other charges depending on the situation. And it’s definitely going to raise questions.
Most legal experts say it’s just not worth the risk. Even if you think you’re following the law by keeping them visible, you could still end up in legal trouble.
Age Restrictions Are Strict
If you’re under 18, forget about it. Brass knuckles are completely illegal for minors in Wisconsin. No exceptions. No gray areas.
The law says any person under 18 who possesses or goes armed with metallic knuckles commits a crime. It doesn’t matter if they’re in your backpack. It doesn’t matter if they’re a gift. It doesn’t matter if you’re just holding them for a friend.
Minors caught with brass knuckles face a Class A misdemeanor. That means up to 9 months in jail and a $10,000 fine. For a teenager, that’s a serious criminal record that could affect college applications, job opportunities, and more.
Parents and adults need to know this too. If you give brass knuckles to someone under 18, you’re committing a Class I felony. That’s a whole different level of serious. We’re talking potential prison time here.
The Penalties Are No Joke
Let’s talk about what happens if you break these laws. Honestly, the consequences can be pretty severe.
For carrying concealed brass knuckles as an adult, you’re looking at a Class A misdemeanor. That’s the most serious type of misdemeanor in Wisconsin. The maximum penalty? Up to 9 months in county jail. A fine of up to $10,000. Or both.
Most people don’t realize how serious a Class A misdemeanor is. It’s not just a slap on the wrist. It’s a criminal conviction on your record. That can affect employment. It can affect housing applications. It can even affect your ability to get certain professional licenses.
And here’s the thing. If you use brass knuckles in a crime, the penalties get way worse. The brass knuckles can become what’s called a penalty enhancer. That means judges can add extra time to your sentence. Using a dangerous weapon during a crime can add up to 5 extra years in prison.
What Counts as a Dangerous Weapon?
Wisconsin law defines dangerous weapons pretty broadly. Brass knuckles definitely qualify. The law says a dangerous weapon is anything that, in the way it’s used, is likely to produce death or great bodily harm.
Great bodily harm is serious stuff. It means injury that creates a substantial risk of death. Or serious permanent disfigurement. Or permanent loss of function of any body part. Brass knuckles can definitely cause that kind of damage.
That’s why they’re treated so seriously under Wisconsin law. They’re not seen as self-defense tools. They’re seen as weapons designed to cause serious injury.
Self-Defense and Brass Knuckles
Some people buy brass knuckles thinking they’re for self-defense. But here’s the reality. Using brass knuckles for self-defense in Wisconsin is legally risky at best.
Wisconsin has self-defense laws. You can use reasonable force if you’re facing an imminent threat. But the force has to match the threat. And using a weapon that causes great bodily harm requires a specific situation.
You can only use that level of force if you reasonably believe you’re facing imminent death or great bodily harm. It has to be a life-or-death situation. And even then, using brass knuckles could cause you legal problems.
Think about it this way. If the situation is serious enough to justify using brass knuckles, is that really the best weapon to choose? Pepper spray is legal. Stun guns are legal. And they don’t carry the same legal risks.
What About Novelty Items or Jewelry?
You might have seen brass knuckles sold as belt buckles, paperweights, or jewelry. Don’t be fooled. Wisconsin doesn’t care what you call them or how they’re marketed.
If they function as metallic knuckles, they’re regulated the same way. Doesn’t matter if they’re brass, steel, plastic, or carbon fiber. Doesn’t matter if they’re sold as a “novelty item” or a “collectible.”
The law looks at what the item is and how it can be used. If it fits around your knuckles and concentrates your punch, it’s brass knuckles under Wisconsin law.
School Zones Make Everything Worse
Special rules apply if you’re anywhere near a school. Possessing brass knuckles on school property is a serious crime. This includes the school building and the grounds around it.
But it goes further. Within 1,000 feet of school grounds counts as a school zone. Having brass knuckles in that area can result in enhanced charges. For adults, this means felony charges instead of misdemeanors.
And it doesn’t matter if school is in session. It doesn’t matter if it’s the weekend. The law applies 24/7, 365 days a year.
If you get caught with brass knuckles on school grounds, you’re looking at a Class I felony on the first offense. A second offense within 5 years? That jumps to a Class H felony. We’re talking years in state prison, not months in county jail.
Can Felons Own Brass Knuckles?
Here’s something interesting. Wisconsin doesn’t specifically prohibit convicted felons from owning brass knuckles. The state bans felons from possessing firearms and electric weapons. But brass knuckles aren’t on that list.
That said, it’s still a really bad idea for felons to have them. If you’re on probation or parole, your supervision officer probably won’t allow it. And having them could be used against you in other ways.
Plus, remember the concealed carry rule still applies. So even if a felon can technically own brass knuckles at home, they still can’t carry them around.
What If You Find Brass Knuckles?
Let’s say you find brass knuckles in your attic. Or in a storage unit you bought at auction. What do you do?
First, don’t panic. Just owning them isn’t automatically a crime if you’re an adult. But you need to handle the situation carefully.
Don’t carry them around, even to show your friends. Don’t put them in your car. Don’t stick them in your pocket. Leave them at home or turn them in to police.
If you want to get rid of them, contact your local police department. They can advise you on how to dispose of them legally. Most departments will accept them during weapon buyback programs or will take them off your hands safely.
Buying and Selling Brass Knuckles
Wisconsin doesn’t specifically ban the sale of brass knuckles. You can find them for sale online and in some stores. But here’s the catch. Selling them to minors is illegal.
If you’re a business owner, you need to verify the buyer is at least 18. If you sell or give brass knuckles to someone under 18, you’re committing a Class I felony. That’s punishable by up to 3.5 years in prison and a $10,000 fine.
For regular people, the same rule applies. Don’t loan or give brass knuckles to anyone under 18. Not your kid. Not your nephew. Not the neighbor’s teenager. The consequences are too severe.
Traveling with Brass Knuckles
Planning to travel through Wisconsin with brass knuckles? You need to be very careful. Even if they’re legal in your home state, Wisconsin’s laws apply the moment you cross the state line.
Keep them in your trunk if you absolutely must transport them. Don’t keep them in your glove box, center console, or anywhere in the passenger area. That could be considered concealed carry.
Better yet, just don’t bring them into Wisconsin at all. The risk isn’t worth it.
And if you’re flying, definitely don’t pack brass knuckles. The TSA prohibits them in carry-on bags. Even in checked luggage, they could cause problems depending on your destination.
What the Police Look For
Police officers in Wisconsin know these laws well. They’re trained to spot brass knuckles during traffic stops and searches. Here’s what can get you caught.
Traffic stops are a common way people get busted. An officer sees something during a legitimate search. Or you tell them about it when asked if you have any weapons.
Pro tip: If you’re ever asked if you have any weapons in your vehicle, be honest. But you also have the right to remain silent. You don’t have to consent to searches without a warrant in most situations.
Getting caught with brass knuckles during a traffic stop can turn a simple speeding ticket into a criminal charge. Don’t let that happen to you.
Legal Alternatives for Self-Defense
Wondering if this applies to you? If you want something for self-defense, Wisconsin has plenty of legal options. No need to risk brass knuckles charges.
Pepper spray is completely legal. You don’t need a permit. You can carry it openly or concealed. It’s effective and has way fewer legal complications.
Stun guns and Tasers are also legal in Wisconsin. Adults 18 and older can openly carry them. If you’re 21 or older and have a concealed carry permit, you can carry them concealed.
Personal alarms are another great option. They’re loud enough to scare off attackers and alert people nearby. No legal issues at all.
And if you really want serious protection, get trained in firearms and obtain a concealed carry license. That’s the most legally defensible option for self-defense in Wisconsin.
What If You’re Charged?
If you’re facing brass knuckles charges in Wisconsin, you need legal help immediately. Seriously. Don’t try to handle this yourself.
A criminal defense attorney who knows Wisconsin weapon laws can make a huge difference. They might be able to get charges reduced. They might find procedural errors that help your case. They can negotiate plea deals.
Sometimes there are valid defenses. Maybe the brass knuckles weren’t actually in your possession. Maybe you didn’t know they were there. Maybe the search that found them was illegal. An experienced attorney will know what to look for.
Don’t wait to get help. The earlier you involve an attorney, the better your chances of a good outcome.
Recent Changes and Future Laws
Wisconsin’s brass knuckles laws have stayed pretty consistent over the years. The basic rules haven’t changed much since the concealed carry law was updated in 2011.
That said, weapon laws can change. Legislators occasionally propose new restrictions or modifications. It’s worth checking for updates if you’re concerned about specific situations.
Right now, there’s no indication that Wisconsin plans to completely ban brass knuckles like some other states have done. But you never know what might change in the future.
Common Misconceptions
Let’s clear up some myths that get people in trouble. First, having a concealed carry permit does NOT let you carry brass knuckles concealed. I can’t stress this enough. So many people believe this and it’s just not true.
Second, calling them something else doesn’t change the law. Belt buckle brass knuckles are still brass knuckles. Paperweight brass knuckles are still brass knuckles. The law doesn’t care about marketing terms.
Third, being in your car doesn’t mean you can carry them concealed. Your vehicle isn’t an extension of your home for purposes of this law. Having brass knuckles in your glove box is concealed carry. That’s illegal.
Fourth, plastic or polymer brass knuckles aren’t somehow better legally. If they function like metallic knuckles, they’re treated the same way under Wisconsin law.
Frequently Asked Questions
Can I keep brass knuckles in my home? Yes, adults can legally possess brass knuckles in their homes in Wisconsin. Home ownership is not a crime.
Do I need a permit to own brass knuckles? No permit is required to own brass knuckles, but you cannot carry them concealed, even with a concealed carry license.
What happens if I’m caught with brass knuckles in my car? You’ll likely be charged with carrying a concealed weapon, a Class A misdemeanor with penalties up to 9 months in jail and a $10,000 fine.
Can my teenage son have brass knuckles? Absolutely not. Anyone under 18 possessing brass knuckles commits a Class A misdemeanor, and you could face felony charges for providing them.
Are brass knuckles good for self-defense? Legally, no. Using brass knuckles in self-defense creates significant legal risks, and Wisconsin law considers them weapons designed to cause great bodily harm, not defensive tools.
Can I buy brass knuckles online and have them shipped to Wisconsin? You can buy them, but carrying them concealed after they arrive is still illegal. They must stay in your home.
What if I use them in a fight? Using brass knuckles in any altercation can result in serious felony charges, especially if someone is injured. This goes way beyond a simple misdemeanor.
Do police actively look for brass knuckles? Police don’t specifically target brass knuckles, but they’re trained to recognize them during routine stops and searches.
Final Thoughts
Now you know the basics. Brass knuckles in Wisconsin exist in a weird legal space. You can own them at home. You just can’t carry them around concealed. And definitely don’t give them to anyone under 18.
The penalties are serious enough that you should think twice before even owning them. A Class A misdemeanor isn’t something to take lightly. And if you’re caught near a school or using them in a crime, the consequences get way worse.
If you want something for self-defense, there are better legal options out there. Pepper spray, stun guns, or even a proper firearm with a concealed carry license. All of these give you protection without the legal headaches.
Stay safe, stay legal, and when in doubt, just don’t carry brass knuckles in Wisconsin.
References
Wisconsin Statutes Section 948.60 (Possession of a dangerous weapon by a person under 18): https://docs.legis.wisconsin.gov/document/statutes/948.60
Wisconsin Statutes Section 941.23 (Carrying a concealed weapon): https://docs.legis.wisconsin.gov/document/statutes/941.23
Wisconsin Statutes Section 939.51 (Classification of misdemeanors): https://docs.legis.wisconsin.gov/document/statutes/939.51
Wisconsin Department of Justice Concealed Carry Information: https://concealedcarry.doj.wi.gov/
Grieve Law: Possession of Brass Knuckles in Wisconsin: https://www.grievelaw.com/wisconsingun/possession/brassknuckles/