Is Brass Knuckles Legal in Colorado? (2026)
Partially — Brass Knuckles are legal with restrictions in Colorado as of 2026.
Quick Answer
Colorado law (C.R.S. § 18-12-105) prohibits possession of brass knuckles with intent to use unlawfully. Possession alone is not illegal, but carrying concealed without a permit is prohibited.
What the Law Says
Colorado law classifies metallic knuckles as an illegal weapon, and possession is a class 1 misdemeanor.
— Colorado Revised Statutes § 18-12-105
| Category | Details |
|---|---|
| Possession | Legal to possess, but illegal to carry concealed without a permit. |
| Sale & Purchase | No specific prohibition on sale. |
| Penalties | Class 2 misdemeanor for unlawful use or carrying concealed. |
| Age Restriction | None specified. |
| Pending Legislation | None known |
No significant changes to brass knuckle laws have been made in the 2023-2026 period, though other weapon laws have been updated.
Enforcement Reality
Possession of brass knuckles is a class 1 misdemeanor in Colorado. They are considered an illegal weapon, and enforcement is strict.
A common mistake is believing that brass knuckles are permissible for self-defense. However, they are classified as a dangerous weapon, making possession illegal regardless of intent.
Local Exceptions
None identified. State law applies uniformly across Colorado. Local ordinances may still vary — check with your city or county government for any additional rules.
Real-World Scenarios: Brass Knuckles in Colorado
Can You Fly With Brass Knuckles Out of Colorado?
Since brass knuckles is restricted in Colorado, bringing it to the airport compounds your legal exposure. You're now dealing with both state law and federal jurisdiction. Don't do it.
Can You Cross State Lines With Brass Knuckles From Colorado?
This is where people get burned. Colorado treats brass knuckles as restricted, but neighboring Wyoming treats it as illegal. The law changes at the state line — not gradually, not with a warning sign, instantly. "I bought it legally" is not a defense in the new state. Interstate highways near the Colorado/Wyoming border are known enforcement corridors. If you're driving with out-of-state plates in a state where brass knuckles is illegal, you're a target.
Bottom Line
Brass Knuckles are legal with restrictions in Colorado. This product is permitted, but specific conditions apply. Violating those conditions can result in fines or criminal charges. Read the rules carefully and consult an attorney if unsure.
Colorado vs. the Rest of the US
Across the US, carrying brass knuckles is fully legal in 2 states, restricted in 8, and illegal in 40. Colorado falls in the RESTRICTED category.
View the full 50-state map →Body Armor Laws Guide
This topic is closely related to body armor and self-defense laws.
Reviewed by cross-referencing the cited state statute against current legislative databases and regulatory publications.
Sources & Verification
This page was reviewed by Ethan Harper by comparing the legal status against the cited state statute. AllowedHere is an informational resource and does not provide legal advice. Consult a licensed attorney for guidance specific to your situation.
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