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Pepper Spray Laws in Missouri

The rules on pepper spray in Missouri: who may own and carry them, where they are banned, and the penalties, from the state code.

Short answer: Missouri has no state law that specifically names or regulates pepper spray, mace or other self-defense sprays; the state weapons chapter does not set an age limit, size limit or permit for them. RSMo ch. 571 (reviewed); RSMo §571.030

Pepper sprayMissouri has no state law that specifically names or regulates pepper spray, mace or other self-defense sprays; the state weapons chapter does not set an age limit, size limit or permit for them. The chapter's general place-based rules on carrying "any other weapon readily capable of lethal use" (for example into schools, churches or government buildings) do not mention sprays by name.
Reviewed RSMo chapter 571 (all 41 listed sections) on 2026-10-31; no provision naming pepper spray, mace, tear gas or chemical spray found.
Source: RSMo ch. 571 (reviewed); RSMo §571.030

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FAQ

Is pepper spray legal in Missouri?
Missouri has no state law that specifically names or regulates pepper spray, mace or other self-defense sprays; the state weapons chapter does not set an age limit, size limit or permit for them. The chapter's general place-based rules on carrying "any other weapon readily capable of lethal use" (for example into schools, churches or government buildings) do not mention sprays by name.

Last verified against official sources: October 27, 2026.

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General legal information, not legal advice. Laws change and local rules can differ; check the linked official source or talk to a lawyer about your situation.