Missouri Knife Laws (2025)

October 09, 2025

Missouri Knife Laws (2025)

Missouri Knife Laws (2025)

What You'll Find Here:

01 Why Missouri Knife Laws Matter

02 Missouri Knife Law Overview

03 Legal Definitions of Knives in Missouri

04 Knife Ownership in Missouri

05 Knife Carry Laws in Missouri




06 Location-Based Restrictions

07 How Preemption Shapes Local Laws

08 Penalties and Legal Consequences

09 Knife Laws for Specific Groups

10 Travelers Passing Through Missouri

11 Practical Advice for Knife Owners

PEOPLE ARE ASKING

Are switchblades legal in Missouri?

Yes, they were legalized in 2012; both possession and carry are permitted.

What knives are prohibited?

Missouri does not prohibit specific knives but bans carrying any weapon into schools, courthouses, or government buildings.

Is concealed carry of knives allowed?

Yes. Concealed carry of most knives is permitted unless local restrictions apply.

Are there blade-length restrictions?

No state-level blade-length restriction exists in Missouri.

Do minors face special restrictions?

Yes, sale or transfer of deadly weapons to minors is prohibited.