Missouri gun laws
Last verified November 1, 2026. This page is general information, not legal advice. Gun laws change often and vary by city and county. Verify every rule with the state's agency or statutes before you carry or travel.
Carry
- Permitless (constitutional) carry: Yes
- A permit is not required for lawful concealed carry in Missouri.
- Open carry: Allowed under state law, but local governments may regulate open carry by ordinance. Where an ordinance bans it, holders of a valid concealed carry permit may still open carry and must show the permit on demand (RSMo 21.750). Source
- Permits: Missouri permit guide
Vehicle transport
A concealed carry permit authorizes carrying concealed firearms on your person or in your vehicle throughout the state. In several restricted locations, a firearm left in the vehicle is not an offense (RSMo 571.107.1). Source
Places where carry is banned
Police stations, near polling places on election day, jails and prisons, courthouses, local government meetings, the General Assembly, bars, airport secured areas, federally prohibited places, schools and colleges without consent, child care facilities, casinos, gated amusement parks, churches without consent, posted private property, sports arenas, and hospitals (RSMo 571.107.1). Source
Magazines and assault weapons
- Magazine capacity limit: No statewide limit
- Assault-weapon restrictions: No statewide ban
Duty to inform
No duty to volunteer. Permit holders carrying concealed must carry the permit and show it with photo ID on request of any peace officer (RSMo 571.121). Source
Stand your ground and castle doctrine
No duty to retreat in any place you're lawfully present (stand your ground).
Red-flag law
No extreme risk protection order law.
Reciprocity
Missouri honors valid concealed carry permits from every other state.
Honors permits from every state.
Sources
- revisor.mo.gov
- ago.mo.gov
- giffords.org
- giffords.org
- giffords.org
- www.ncsl.org
- revisor.mo.gov
- revisor.mo.gov
- revisor.mo.gov
Magazine, assault-weapon and red-flag lists come from Giffords Law Center summaries; stand-your-ground from NCSL. Carry, vehicle, banned-place, duty-to-inform and reciprocity details come from the state's own legislature, attorney general or state police pages.