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

RESTRICTED

Body 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

RESTRICTED

Minnesota 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 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 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 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

RESTRICTED

Open 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+

Minnesota 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 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.

Minnesota 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 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