Minnesota Weapons & Self-Defense Laws (2026)
A comprehensive legal reference for weapons & self-defense in the state of Minnesota. This guide covers current statutes, penalties, and restrictions for 11 different categories.
Body Armor
RESTRICTEDBody armor is legal with restrictions to purchase and wear in Minnesota for civilians without felony convictions. No significant legislative changes to the controlling statute, § 609.486, have occurred in the 2023-2026 period.
Ownership
Legal for civilians to purchase and possess body armor. No permit or registration required. Minnesota has no state-level restrictions beyond the federal felon prohibition. All types and levels are legal.
Purchase
Legal to sell in-store and online. No special licensing or age restrictions.
Penalties
Felons face up to 3 years federal prison. Minnesota does not have specific state-level enhanced sentencing for body armor, though courts may consider it an aggravating factor.
Age Restriction
18+
Brass Knuckles
RESTRICTEDMinnesota classifies brass knuckles as a dangerous weapon under Minn. Stat. § 609.66. Possession is generally prohibited except for law enforcement or with a valid permit. Sale and possession by minors are also restricted.
Possession
Illegal without a permit or law enforcement authorization.
Sale & Purchase
Sale to minors is prohibited; otherwise restricted.
Penalties
Misdemeanor or gross misdemeanor depending on circumstances, punishable by fines and/or imprisonment.
Age Restriction
Must be 18 or older to possess legally with permit.
Butterfly Knives
LEGALButterfly knives are legal to own and carry in Minnesota with no specific restrictions beyond general knife laws. No significant legislative changes in recent years.
Possession
Legal
Sale & Purchase
Legal
Penalties
N/A
Age Restriction
18+ for purchase
Minnesota requires a permit to carry a pistol, either openly or concealed, under Minn. Stat. § 624.714. There is no constitutional carry law permitting permitless concealed carry.
Permitless Carry Rules
Possession of firearms is legal; carrying requires a permit.
Permit Availability
Sales require background checks and compliance with state and federal laws.
Penalties
Carrying without a permit is a gross misdemeanor under Minn. Stat. § 624.714.
Minimum Age
Minimum age 21 for permit to carry.
Flamethrowers
LEGALFlamethrowers are legal to own and use in Minnesota with no state-level restrictions. No significant legislative changes regarding flamethrowers in recent years.
Ownership
Legal, no permit required
Purchase
Legal
Penalties
N/A
Age Restriction
No state restriction
Nunchucks
LEGALNunchucks are legal to own and possess in Minnesota with no specific restrictions. No significant changes in recent years.
Possession
Legal
Sale & Purchase
Legal
Penalties
N/A
Age Restriction
None
Open Carry
RESTRICTEDOpen carry is legal in Minnesota but requires a valid permit or license. There have been no major recent changes to Minnesota's open carry laws.
Open Carry Rules
Legal with permit
Permit Requirements
Legal through licensed dealers
Penalties
Carrying without a valid permit is a criminal offense.
Minimum Age
21+
Pepper Spray Restrictions
RESTRICTEDMinnesota allows possession of pepper spray for self-defense but limits container size to 2 ounces or less under Minn. Stat. § 609.66. It is illegal to use it offensively or carry it into certain places like schools.
Carrying
Legal for persons 18 and older; container size limited to 2 ounces.
Purchase
No special restrictions on sale, but sellers must comply with container size limits.
Penalties
Misuse or possession of larger containers can lead to misdemeanor charges.
Age Restriction
18 years old minimum.
Suppressors / Silencers
RESTRICTEDSuppressors / Silencers are legal with restrictions in Minnesota. State law does not impose additional restrictions beyond the National Firearms Act requirements.
Ownership (with NFA)
Legal with federal NFA registration and tax stamp.
Dealer Availability
Legal with federal compliance.
Penalties
N/A if federally compliant; illegal possession is a felony.
Age Restriction
21 years or older as per federal law.
Switchblades / Automatic Knives
RESTRICTEDMinnesota Statutes § 624.712 restrict possession and sale of switchblade knives. Switchblades with blades over 2.5 inches are illegal to possess or sell. Smaller automatic knives are not explicitly prohibited, but the law is interpreted to restrict most switchblades.
Possession
Illegal to possess switchblades with blades longer than 2.5 inches.
Sale & Purchase
Illegal to sell switchblades with blades longer than 2.5 inches.
Penalties
Gross misdemeanor with possible jail time and fines.
Age Restriction
None specified.
Tasers & Stun Guns
RESTRICTEDTasers and stun guns are legal in Minnesota with restrictions such as permits, background checks, or age requirements. No significant legislative changes since the current laws on electronic incapacitation devices were enacted.
Ownership
Legal with permit or restrictions
Purchase
Legal through licensed dealers
Penalties
Violations may result in misdemeanor charges.
Age Restriction
18-21 depending on jurisdiction