Montana has permissive, straightforward pepper spray laws. Adults 18 and older may carry self-defense sprays freely.
What Montana Law Actually Says
- Age: 18 or older
- Size: No state limit
- Concentration: No state limit
- Permit: None required
- Where it is banned: Federal buildings, courthouses, and correctional facilities
Verify your dorm policy with your RA before bringing pepper spray into a residential building.
Ready to buy? See our best pepper spray for college students — reviewed and compared for campus use. If pepper spray is restricted at your student's campus, a personal alarm is legal everywhere with no restrictions.
Important: Campus policies change. Always verify current pepper spray rules directly with your student's campus police department or housing office before move-in day. State law sets the minimum — individual colleges can be more restrictive.