Pepper Spray Laws in Montana

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

Short answer: Montana has no state law in its weapons part that mentions pepper spray, chemical defense spray, or self-defense spray. MCA Title 45, ch. 8, pt. 3 (reviewed); MCA § 45-8-315

Pepper spray	Montana has no state law in its weapons part that mentions pepper spray, chemical defense spray, or self-defense spray. The concealed-weapon rules apply to firearms: a 'concealed weapon' means a firearm wholly or partially covered by clothing (§ 45-8-315). Reviewed MCA Title 45, chapter 8, part 3 (Weapons), all sections 45-8-301 through 45-8-377, on 2026-10-31; no provision found. Source: MCA Title 45, ch. 8, pt. 3 (reviewed); MCA § 45-8-315

Pepper spray

Montana has no state law in its weapons part that mentions pepper spray, chemical defense spray, or self-defense spray. The concealed-weapon rules apply to firearms: a 'concealed weapon' means a firearm wholly or partially covered by clothing (§ 45-8-315).

Reviewed MCA Title 45, chapter 8, part 3 (Weapons), all sections 45-8-301 through 45-8-377, on 2026-10-31; no provision found.

Source: MCA Title 45, ch. 8, pt. 3 (reviewed); MCA § 45-8-315

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FAQ

Is pepper spray legal in Montana?

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.