Iowa Weapons & Self-Defense Laws (2026)

A comprehensive legal reference for weapons & self-defense in the state of Iowa. 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 Iowa for civilians without felony convictions. There have been no significant state-level legislative changes concerning body armor in Iowa in recent years.

Ownership

Legal for civilians to purchase and possess body armor. No permit or registration required. Iowa 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. Iowa does not have specific state-level enhanced sentencing for body armor worn during crimes.

Age Restriction

18+

Brass Knuckles

RESTRICTED

Iowa law restricts brass knuckles under Iowa Code §724.4, which prohibits carrying dangerous weapons including brass knuckles concealed on the person without a permit. Open carry may be allowed in some cases.

Possession

Possession is legal, but concealed carry without a permit is illegal.

Sale & Purchase

Sale is legal with no specific restrictions.

Penalties

Simple misdemeanor for illegal concealed carry.

Age Restriction

None specified

Butterfly knives are legal to own and carry in Iowa 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

Iowa allows permitless concealed carry for residents 21 and older who can legally possess firearms. Iowa Code §724.4A authorizes carrying a weapon without a permit.

Permitless Carry Rules

Permitless concealed carry allowed for those 21+ legally allowed to possess firearms.

Permit Availability

Sales require background checks for licensed dealers.

Penalties

N/A for lawful carry; unlawful possession or carry by prohibited persons is penalized under Iowa Code §724.26.

Minimum Age

21 years old for permitless carry.

Flamethrowers are legal to own and use in Iowa 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 Iowa with no specific restrictions. Iowa law does not restrict the possession or carry of nunchucks.

Possession

Legal

Sale & Purchase

Legal

Penalties

N/A

Age Restriction

None

Open Carry

RESTRICTED

Open carry of firearms is legal with restrictions in Iowa without a permit for adults who are legally allowed to possess firearms. The most significant recent change was the enactment of House File 756 in 2021, which established constitutional carry, eliminating the permit requirement for both op...

Open Carry Rules

Legal without permit for eligible adults

Permit Requirements

Legal through licensed dealers

Penalties

Prohibited in certain locations (schools, courthouses, etc.).

Minimum Age

18+ for long guns, 21+ for handguns

Iowa permits possession and use of pepper spray for self-defense without specific restrictions under Iowa Code §724.4. There are no state limits on size or concentration.

Carrying

Legal for adults; no restrictions on carrying.

Purchase

Legal to sell and purchase without special licensing.

Penalties

N/A

Age Restriction

None specified.

Suppressors / Silencers are legal with restrictions in Iowa. Iowa Code does not restrict silencers, and their use for hunting is allowed under Iowa Code §481A.38.

Ownership (with NFA)

Legal with federal NFA registration and tax stamp.

Dealer Availability

Legal to sell with federal compliance.

Penalties

N/A

Age Restriction

None beyond federal requirements.

Iowa Code §724.4 prohibits switchblade knives with blades over 3 inches. Possession and sale of switchblades exceeding this length are illegal, but smaller automatic knives may be legal. Law enforcement exceptions apply.

Possession

Illegal to possess switchblades with blades longer than 3 inches.

Sale & Purchase

Illegal to sell switchblades with blades longer than 3 inches.

Penalties

Simple misdemeanor punishable by fines and/or jail time.

Age Restriction

None specified.

Tasers & Stun Guns are legal with restrictions in Iowa. No significant legislative changes since the law allowing for the carrying of stun guns without a permit was enacted.

Ownership

Legal without permit

Purchase

Legal

Penalties

N/A

Age Restriction

18+