What Weapons Are Illegal in Colorado

Title: What Weapons Are Illegal in Colorado: A Comprehensive Guide


Colorado, known for its stunning natural landscapes and welcoming communities, also upholds strict laws regarding weapons possession. Understanding these regulations is crucial to ensure compliance and avoid legal repercussions. In this article, we will delve into the topic of illegal weapons in Colorado, shedding light on the laws governing their possession and use.

What Weapons Are Illegal in Colorado?

1. Automatic Firearms:
Colorado law prohibits the possession, sale, transfer, or manufacturing of fully automatic firearms, commonly referred to as machine guns. Exceptions exist for law enforcement officers and individuals who possess a valid federal license.

2. Short-Barreled Shotguns and Rifles:
Short-barreled shotguns and rifles, also known as sawed-off shotguns and sawed-off rifles, are generally illegal in Colorado. These firearms typically have barrels less than 16 inches in length or an overall length of fewer than 26 inches. Exceptions may apply for individuals with federal licensing.

3. Explosive Devices:
Possessing explosive devices, such as bombs, grenades, or improvised explosive devices (IEDs), is strictly prohibited in Colorado. These items pose significant risks to public safety and are considered highly dangerous.

4. Silencers:
Silencers, also known as suppressors, are illegal in Colorado unless authorized by federal law. These devices reduce the noise emitted by firearms, but their use is restricted for civilian purposes.

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5. Knives:
Colorado law prohibits the possession of certain types of knives, including ballistic knives, switchblades, and gravity knives. It is important to note that common pocket knives and hunting knives are generally legal.

6. Brass Knuckles and Metallic Knuckles:
The possession, use, or sale of brass knuckles and metallic knuckles is illegal in Colorado. These weapons, consisting of a hard, metallic material worn over the knuckles, are considered dangerous and are prohibited.

7. Blackjacks and Slungshots:
Colorado law prohibits the possession, use, or sale of blackjacks and slungshots. Blackjacks refer to a weighted device, often a small leather pouch filled with lead or steel shot, while slungshots are similar devices attached to a length of rope or chain.

Frequently Asked Questions (FAQs):

1. Can I legally own a firearm in Colorado?
Yes, firearms ownership is legal in Colorado. However, certain restrictions apply, and background checks are mandatory for all firearm purchases.

2. Are concealed carry permits available in Colorado?
Yes, Colorado issues concealed carry permits. However, applicants must meet specific requirements, such as completing training courses and passing background checks.

3. Can I possess pepper spray or stun guns for self-defense?
Yes, Colorado permits the possession and use of pepper spray and stun guns for self-defense purposes, provided they are used responsibly and within the confines of the law.

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4. Are martial arts weapons legal in Colorado?
The legality of martial arts weapons, such as nunchaku, throwing stars, or swords, depends on their intended use. While practicing martial arts is generally allowed, using these weapons in a threatening or dangerous manner may be illegal.

5. Can I own a firearm if I have a prior criminal record?
Certain criminal convictions may prohibit individuals from owning firearms in Colorado. It is essential to consult legal counsel or research state statutes to determine firearm eligibility based on specific circumstances.

6. Are BB guns and pellet guns considered firearms in Colorado?
No, BB guns and pellet guns are not classified as firearms in Colorado. However, they must be used responsibly and in a manner that does not endanger others.

7. Is it legal to carry a knife in Colorado?
While Colorado allows the possession of most types of knives, including pocket knives and hunting knives, carrying certain types, such as switchblades or ballistic knives, is prohibited.


Understanding the laws surrounding illegal weapons in Colorado is crucial to stay within the bounds of the law and ensure public safety. Possession or use of prohibited weapons can lead to severe consequences. It is recommended to consult legal resources or seek professional advice to clarify any doubts regarding specific weapons or circumstances. By adhering to these regulations, we contribute to maintaining a safe and secure environment for all residents of Colorado.

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