Are Brass Knuckles Illegal in Illinois

Yes. Brass knuckles are completely illegal in Illinois — you cannot own, carry, sell, or manufacture them.
Under Illinois Compiled Statutes (720 ILCS 5/24-1), brass knuckles are classified as dangerous weapons, making possession a criminal offense.

engraved brass knuckles

What Illinois Law Says

  • Possession: Illegal, including at home or in a vehicle.

  • Manufacturing or selling: Strictly prohibited.

  • Use in crime: Considered an aggravating factor, increasing sentence severity.

Even carrying brass knuckles as a “collectible” can lead to arrest since Illinois law does not provide exceptions for display or collection.

Penalties

Violating §24-1 can lead to:

  • Class A misdemeanor for possession (up to 1 year in jail)

  • Class 4 felony if used in a crime or carried in sensitive areas

  • Weapon confiscation and potential criminal record

Legal Self-Defense Options in Illinois

  • Pepper spray (legal for adults 18+)

  • Personal defense alarms

  • Kubotans or small impact tools

FAQ

Q: Can I keep brass knuckles as a display piece?
A: No. Even decorative or nonfunctional knuckles are banned in Illinois.

Q: Are plastic or 3D-printed knuckles legal?
A: No — material doesn’t matter under the law.

Q: Can I carry brass knuckles in my car?
A: No. Having them in your vehicle counts as possession.

Related Resource:

Read more: Are Brass Knuckles Illegal in the U.S.?

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