Thinking about owning a gun in Hawaii? You need to know the rules first. Honestly, this state has some of the toughest gun laws in the whole country.
Big changes happened in 2026 too. A Supreme Court ruling just shook things up. Stay with me, we’ll cover it all.
What Is Gun Ownership Law in Hawaii?
Gun ownership law covers who can own a firearm. It also covers how you buy one, register it, and carry it in public.
Hawaii treats this topic seriously. So seriously.
Every single firearm in the state must be registered with police. There’s no “just keep it in the closet” option here. If you own a gun, the state knows about it.
Basic Gun Laws in Hawaii
Who Can Own a Gun
You must be 21 years old to buy any firearm in Hawaii. That’s older than the federal minimum for handguns in many other states.
Before you buy anything, you need a permit to acquire. This means applying with your county police department first. You’ll get fingerprinted. You’ll go through a background check too.
Wondering how long this takes? There’s a 14-day waiting period. You cannot skip this step, no matter how badly you want that new gun today.
Once you get your firearm, the clock starts ticking again. You must register it with police within 5 days. Miss that deadline and you’re breaking the law.
Buying and Registering Firearms
Background checks apply to every sale in Hawaii. This includes private sales between two regular people. Not just gun shop purchases.
Think that’s strict? It gets stricter. Hawaii requires registration for handguns and long guns alike. Rifles and shotguns aren’t exempt just because they’re not handguns.
Pattern interrupt time. Here’s something a lot of people don’t expect: if you move to Hawaii and bring a gun with you, you still have 5 days to register it. Doesn’t matter that you owned it legally somewhere else for years.
Advanced Gun Rules You Should Know
Magazine Limits and Banned Weapons
Hawaii caps magazine capacity at 10 rounds. This applies to pistols and other firearms under state law. Section 134-8 of Hawaii law spells this out clearly.
There’s no grandfather clause either. That means owning an older magazine that holds more than 10 rounds is still illegal today. Doesn’t matter when you bought it.
You’re not alone if this surprises you. Lots of people move from other states and don’t realize their old gear is now against the law here.
Machine guns are banned. Short-barreled rifles and shotguns are banned. Suppressors, sometimes called silencers, are banned too. Even though a 2026 federal change dropped a tax on suppressors to zero dollars, that federal tax change doesn’t erase Hawaii’s own state ban. The suppressor is still illegal to own here, full stop.
Carrying a Firearm in Public
For years, getting a concealed carry permit in Hawaii was nearly impossible. Honestly, most people just called it a “no issue” state in practice, even though the law technically allowed permits.
That changed after a major Supreme Court case in 2022 forced states to update their rules. Hawaii became what’s called “shall issue.” That means if you meet the requirements, the county has to give you a permit. It’s similar to how many other states already worked.
But here’s where it gets interesting. Open carry is still basically prohibited in public places across the island state. Concealed carry with a valid license is the main legal path for carrying in public.
Big News: The 2026 Supreme Court Ruling
Okay, this part is important. Read carefully.
In 2023, Hawaii passed a law saying permit holders needed the property owner’s permission before carrying a gun onto private property open to the public. Think stores, restaurants, hotels. Even with a valid carry permit, you’d technically need a “yes” from the business first.
Three Hawaii gun owners and a group called the Hawaii Firearms Coalition challenged this rule, arguing it required people with concealed carry licenses to seek permission before bringing weapons onto private properties otherwise open to the public.
The case went all the way to the Supreme Court. Oral arguments happened in February 2026. Then in June 2026, the Court ruled.
The Supreme Court struck down the law by a 6-3 vote, ruling in favor of Hawaii gun owners. Wait, it gets better for gun owners. Permitted gun owners can now carry their firearms onto private properties again, as long as the property doesn’t have a sign specifically banning them.
So what does this mean for you? If you have a valid carry permit, you no longer need to ask permission first. A store just needs to post a “no firearms” sign if it wants to keep guns out. No sign means you’re generally in the clear to carry there.
Not sure if this affects you personally? Hawaii’s Attorney General’s office said it was still reviewing the ruling, but reminded residents that existing state law should still be followed while things get sorted out. My honest take? Always double check current guidance before assuming you know the rules cold.
Penalties and Consequences
Break these laws and you’re facing real consequences. Not a slap on the wrist.
Carrying a loaded firearm in public without a valid license is treated as a serious felony under Hawaii law. That’s not a small ticket. Think of it less like a parking violation and more like something that can follow you for life.
Failing to register your firearm within 5 days is also a crime. It might not sound as scary as a felony carry charge. But it can still mean fines, a criminal record, and losing your right to own guns down the road.
Possessing a banned item, like a machine gun or a suppressor, brings its own serious criminal penalties too. These aren’t laws Hawaii treats lightly.
Here’s a quick tip: keep your paperwork. Permits, registration forms, receipts. If police ever ask, you want proof in hand, not excuses.
Special Circumstances
Active law enforcement officers get some exceptions to carry rules. Makes sense, right? Their job requires it.
There are also narrow allowances for transporting an unloaded, cased firearm to and from a shooting range. That’s not the same as carrying it loaded on your hip while running errands.
Federal land adds another layer too. Federal buildings, national parks, and ranger stations follow federal firearm rules no matter what Hawaii’s state law says. So even after the 2026 ruling on private property, federal “sensitive places” restrictions still apply separately.
Red Flag Laws in Hawaii
Hawaii also has what’s called a Gun Violence Protective Order law. People often just call it a red flag law.
This lets courts temporarily remove firearms from someone who’s considered a danger to themselves or others. A family member, or law enforcement, can request one.
Hawaii’s counties have recently pushed for more funding toward enforcement, training, and public awareness around this red flag law as part of a broader 2026 safety package. A statewide gun buyback program was also proposed alongside it, aimed at giving people a safe way to give up unwanted firearms.
How to Stay Compliant
Here’s what you need to do if you own or want to own a gun in Hawaii.
First, apply for your permit to acquire before buying anything. Don’t try to shortcut this. Second, register every firearm with your county police within 5 days. Set a reminder on your phone if you have to.
Third, check your magazines. If any hold more than 10 rounds, you’re out of compliance the moment you own it. Fourth, if you want to carry in public, apply for a carry license and follow the current rules on where you can and can’t bring your firearm.
Trust me, staying on top of these steps saves you a massive headache later. It really is that simple, even if the rules themselves feel like a lot.
Frequently Asked Questions
Do I need a permit to buy a gun in Hawaii?
Yes. You need a permit to acquire before purchasing any firearm, and this involves fingerprinting and a background check.
Can I bring my out-of-state concealed carry permit to Hawaii?
No. Hawaii does not recognize concealed carry permits issued by other states.
Are suppressors legal in Hawaii?
No. Suppressors remain completely banned under state law, even after a 2026 federal tax change on them.
What changed with the 2026 Supreme Court ruling?
The Court struck down Hawaii’s rule requiring permit holders to get a property owner’s permission before carrying on private property open to the public. Now a “no firearms” sign is required to keep permitted carriers out.
How many rounds can my magazine hold in Hawaii?
Magazines are capped at 10 rounds, and there is no exception for magazines you owned before this law took effect.
Final Thoughts
Hawaii’s gun laws are strict, and 2026 brought some real change to the mix. The Supreme Court’s ruling on private property carry is a genuinely big deal for permit holders.
Still, registration rules, magazine limits, and background checks remain firmly in place. Now you know the basics. Stay informed, stay safe, and when in doubt, check with a licensed attorney or your county police department directly.
References
- Hawaii Revised Statutes, Chapter 134, Firearms – https://www.capitol.hawaii.gov/hrscurrent/Vol03_Ch0121-0200D/HRS0134/
- KHON2 News, “US Supreme Court shuts down Hawaii law that restricted gun owners on where they were allowed to carry” – https://www.khon2.com/local-news/hawaii-gun-law-supreme-court/
- Honolulu Star-Advertiser, “Hawaii AG to review Supreme Court decision on gun law” – https://www.staradvertiser.com/2026/06/26/hawaii-news/hawaii-ag-to-review-supreme-court-decision-on-gun-law/
- Giffords Law Center, Hawaii State Gun Law Summary – https://giffords.org/lawcenter/state-laws/hawaii/
- Hawaii State Association of Counties, 2026 Legislative Package on Gun Safety – https://www.reducetherisk.ca.gov/?p=2534
