Are Brass Knuckles Illegal in PA
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Yes — under Pennsylvania law, brass knuckles are considered prohibited offensive weapons.
According to Title 18, § 908 of the Pennsylvania Consolidated Statutes, it is illegal to possess, use, or carry brass knuckles anywhere in the state.

Key Legal Points
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Possession = Illegal, unless for lawful collection or educational use.
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Carrying in public: A criminal offense punishable by up to 5 years in prison.
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Exceptions: Museums, theatrical productions, or law enforcement may be exempt under specific permits.
🚨 Penalties
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First offense: Misdemeanor of the first degree
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Fines up to $10,000
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Jail time up to 5 years
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Permanent criminal record for weapon possession
Using brass knuckles in a fight, even defensively, automatically elevates the charge to aggravated assault with a deadly weapon.
Safe Legal Alternatives
In Pennsylvania, the following are safer self-defense options:
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Pepper spray (up to a certain size)
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Tactical flashlights
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Keychain alarms
FAQ
Q: Can I own brass knuckles as a collector in PA?
A: Only if they are kept as part of a bona fide collection and not carried or used.
Q: Are plastic knuckles legal?
A: No — the law bans “offensive weapons” regardless of material.
Q: Can I carry brass knuckles in my car?
A: No. Having them in your vehicle counts as possession.
Q: What is the penalty for carrying brass knuckles in PA?
A: Up to 5 years in prison and heavy fines under Title 18 § 908.