Is Brass Knuckles Legal in South Dakota? (2026)
No — Brass Knuckles are illegal in South Dakota as of 2026.
Quick Answer
In South Dakota, brass knuckles are classified as a dangerous weapon and are illegal to possess or carry. Under SDCL § 22-14-9, possession or sale of brass knuckles is prohibited except for law enforcement or military use.
What the Law Says
South Dakota law prohibits carrying a concealed dangerous weapon, including brass knuckles.
— South Dakota Codified Laws § 22-14-9
| Category | Details |
|---|---|
| Possession | Illegal to possess except for law enforcement or military personnel. |
| Sale & Purchase | Illegal to sell or purchase. |
| Penalties | Class 1 misdemeanor; penalties may include fines and imprisonment up to one year. |
| Age Restriction | None (possession itself is prohibited). |
| Pending Legislation | None known |
Enforcement Reality
Local Exceptions
None identified. State law applies uniformly across South Dakota. Local ordinances may still vary — check with your city or county government for any additional rules.
Real-World Scenarios: Brass Knuckles in South Dakota
Can You Fly With Brass Knuckles Out of South Dakota?
Since brass knuckles is illegal in South Dakota, 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 South Dakota?
This is where people get burned. South Dakota treats brass knuckles as illegal, but neighboring Minnesota treats it as restricted. 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 South Dakota/Minnesota 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 illegal in South Dakota. Possession or use can result in criminal charges. Do not assume enforcement is lax — penalties are real. Consult a licensed attorney if you have specific questions.
South Dakota 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. South Dakota falls in the ILLEGAL 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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