Exploring Illegal Knife Types | Unfortunate Reality in 2024

By Gias

There are many different types of knives that are illegal to carry in certain states or jurisdictions. Some of these knives include switchblades, balisongs, and gravity knives. In most cases, it is illegal to carry any type of concealed knife without a permit.

It is also important to note that some areas have laws prohibiting the carrying of knives with certain blade lengths or widths.

There are many different types of knives that are illegal in the United States. Some of these knives include switchblades, balisongs, and gravity knives. These knives are all considered to be dangerous and are not allowed to be carried in most states. Switchblades are a type of knife that has a blade that can be quickly opened with the push of a button or lever.

Balisongs are another type of knife that can be quickly opened and closed. Gravity knives have blades that can be easily deployed with the help of gravity. All three of these types of knives are illegal in many states because they pose a serious threat to public safety.

If you are caught carrying one of these types of knives, you could face severe penalties, 

TOP 5 knives That Have Been Made Illegal

What is the Most Illegal Type of Knife?

There is no definitive answer to this question as it depends on the laws of the specific jurisdiction in which the knife is being carried. However, some types of knives are more likely to be considered illegal than others. These include but are not limited to: switchblades, balisongs/butterfly knives, gravity knives, stilettos, and disguised knives such as knuckle dusters.

In general, any type of knife that is designed for concealment or quick deployment can be considered illegal in some jurisdictions.

What Types of Knives are Illegal?

While there are no federal laws governing which knives are legal and which aren’t, there are some states with restrictions on blade length, style of knife, and carrying them in public. It’s always best to check the laws in your area before purchasing or carrying a knife. In general, switchblades, balisongs (butterfly knives), and gravity knives are illegal nationwide.

Additionally, most states have laws prohibiting the concealment of knives on your person. That means if you’re carrying a knife in your pocket or bag, it needs to be visible. Some states also have restrictions on the types of knives that can be openly carried in public.

For example, California prohibits the open carry of any fixed-blade knife with a blade longer than 2.5 inches. There are also a few cities with their own restrictions on knives. New York City prohibits any Knife with a blade longer than 4 inches unless it is being used for lawful purposes such as cooking or carpentry.

Chicago has similar restrictions, but the maximum blade length allowed is 3 inches. And finally, Washington D.C., prohibits any “dangerous weapon” including daggers, dirks, stillettos,switchblades, and other concealed blades larger than 3 inches .

What Knife is Illegal in the USA?

There is no one knife that is illegal in the United States. However, there are certain types of knives that are restricted in some states. For example, switchblades and balisongs are banned in California, Colorado, and Illinois.

It is also illegal to carry a concealed weapon in most states, so if you are carrying a knife on your person it must be visible. There are also restrictions on blade length; in New York City, for example, it is illegal to carry a knife with a blade longer than four inches. Different cities and states have different laws regarding knives, so it is important to research the laws in your area before carrying a knife.

If you are unsure whether or not a particular type of knife is legal, it is always best to err on the side of caution and leave it at home.

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Why is Gravity Knife Illegal?

Gravity knives are illegal because they are considered to be a type of switchblade. Switchblades are defined as any knife that has a blade that can be deployed automatically by pressing a button or other device located on the handle. This includes knives that have a spring-loaded blade, as well as those with a centrifugal release (i.e. gravity knives).

While some states do allow for the possession of switchblades, most have outlawed them altogether. The rationale behind this is that these types of knives can be used quite easily in an unlawful manner – for example, in robberies or assaults. Additionally, because the blade is concealed until it is deployed, there is an increased risk for serious injury if someone were to accidentally come into contact with it.

If you are caught with a gravity knife in most states, you will likely face criminal charges. In some instances, simply carrying one can result in a felony charge. So if you’re considering purchasing or carrying one of these knives, it’s best to err on the side of caution and check your local laws first.

Illegal Knife Types

Credit: blademag.com

What are the Deadliest Illegal Knife Types

There are many types of deadly illegal knives, and it can be difficult to know which ones are the most dangerous. Here is a list of some of the deadliest illegal knife types:

  • Switchblades – Switchblades are fast-opening knives that are activated by a button or lever on the handle.They are often used in crimes because they can be deployed quickly and easily.
  • Stilettos – Stilettos are long, thin knives with a sharp point. They are designed for stabbing and can cause serious injuries or even death.
  • Dirks – Dirks are large, thick-bladed knives that were originally designed for use as weapons in maritime combat. They are now often used in crimes due to their size and strength.
  • Bowie knives – Bowie knives have a large, curved blade that is ideal for slicing and chopping.They were popularized by American frontiersman Jim Bowie and are now often used as weapons in crimes.
  • Butterfly knives – Butterfly knives (also known as balisongs) consist of two handles that pivot around each other, revealing a hidden blade when opened.

Ballistic Knife

A ballistic knife is a type of combat knife with a detachable blade that can be ejected from the handle at high velocity. The blade is usually attached to the handle by means of a coil spring or gas cartridge, and can be retracted into the handle when not in use. Ballistic knives are designed for close-quarters combat and are often used by military and law enforcement personnel.

Ballistic knives were first developed by the Soviet Union during the Cold War, and were later adopted by other countries such as China, East Germany, and Israel. In recent years, ballistic knives have been featured in several video games and movies, which has led to increased public interest in these weapons. Despite their popularity in pop culture, ballistic knives are illegal in many jurisdictions due to their potential for misuse.

In some cases, possession of a ballistic knife may be considered a felony offense punishable by imprisonment or fines.

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Gravity Knife

A gravity knife is a type of knife whose blade can be extended and locked into place by the force of gravity. The blade is usually released by pressing a button or lever on the handle. Gravity knives are often used as utility knives or for camping and survival purposes.

The first recorded use of a gravity knife was by the Roman historian Livy, who described them being used by gladiators in the arena. In more recent history, gravity knives have been used by German paratroopers during World War II and were also issued to Soviet aircrews during the Cold War era. Gravity knives are sometimes confused with switchblade knives, but there are several key differences between the two types of knives.

Switchblade knives are activated by a switch or button located on the handle, whereas gravity knives rely on centrifugal force to extend and lock the blade into place. Additionally, most switchblade knives have shorter blades than gravity knives. If you’re looking for a versatile and durable knife for your next camping trip or outdoor adventure, consider investing in a quality gravity knife!

Ballistic Knives Availbliity and Price

If you’re in the market for a ballistic knife, there are a few things you should keep in mind. First, what is your budget? Ballistic knives can range in price from around $30 to over $200.

Second, what is your intended use for the knife? If you’re looking for a self-defense weapon, you’ll want to choose a knife with a good blade length and a sturdy handle. If you just want something to show off to your friends, then any old ballistic knife will do.

Third, what is the quality of the knife like? You’ll find that there are some very cheaply made knives out there masquerading as “ballistic knives.” These are usually made with poor-quality materials and construction, and they will not stand up to much use.

When shopping for a ballistic knife, be sure to check out reviews online to see what others have said about the quality of the knives you’re considering. Finally, be sure you are familiar with your local laws regarding ballistic knives. In some states and jurisdictions, these knives are completely illegal.

In others, there may be restrictions on blade length or other aspects of the knife. It’s always best to err on the side of caution and know your local laws before making any purchase. With all that in mind, here are five great ballistic knives that are currently for sale:

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Top 3 Illegal Knives Actually You can Buy

In the United States, there are many laws regulating the possession and use of knives. Some states have laws that are more restrictive than others, but in general, it is illegal to carry a knife with a blade longer than four inches. There are also restrictions on the type of knife that can be carried, and in some states it is illegal to carry any type of concealed weapon.

There are a few exceptions to these general rules. For example, some states allow people to carry knives for self-defense, and there are also some circumstances in which people can legally possess longer blades. But in general, if you’re carrying a knife with a blade longer than four inches, you’re breaking the law.

Here are 10 of the most popular illegal knives:

1. Butterfly Knife – Also known as a balisong or fan knife, this popular blade is often prohibited because of its potential for use as a weapon. It’s easy to conceal and can be opened quickly, making it dangerous in the hands of someone who knows how to use it.

2. Stiletto Knife – This is another type of blade that is commonly prohibited because it can be used as a weapon. Stilettos are long and thin with a sharp point, making them ideal for stabbing. They’re also easy to hide, so they can be used for surprise attacks.

3. Switchblade Knife – Switchblades are typically defined as any knife that can be opened automatically with the push of a button or flick of the wrist. They’re often associated with gangs and violence, so they tend to be heavily regulated by state law. In some states, it’s legal to own a switchblade as long as the blade is less than two inches long; in others, it’s completely illegal regardless of size.

What Knives are Illegal in Texas

In Texas, it is illegal to carry a knife with a blade longer than five and one-half inches. It is also illegal to carry a dagger, dirk, stiletto, or any other type of dangerous weapon concealed on your person. If you are caught carrying a concealed weapon, you could be charged with a Class A misdemeanor, which carries a possible sentence of up to one year in jail and/or a fine of up to $4,000.

There are some exceptions to the law. For example, it is legal to carry a concealed knife if you are engaged in lawful hunting or fishing activities. It is also legal to possess certain types of knives that are designed for use in food preparation, such as kitchen knives.

However, these knives must be carried in plain sight and not concealed by your person. If you have been charged with carrying a prohibited weapon in Texas, contact an experienced criminal defense attorney who can help you defend against the charges and protect your rights.


There are many different types of knives that are illegal to carry in most states. These include automatic knives, switchblades, balisongs, and gravity knives. Each state has its own laws regarding what types of knives are considered illegal.


About the author

Introducing Gias, an Engineer and Kitchen Knife connoisseur with a specialization in Japanese Knives. With over five years of dedicated testing, reviewing, and research experience, Gias brings a wealth of knowledge to the world of kitchen knives. Passionate and deeply committed, Gias has created this site as personal documentation of their unwavering love for kitchen knives.