Mo. Rev. Stat. § 44.101
44.101 Firearms and ammunition, state of emergency, no restrictions permitted.
44.101. Firearms and ammunition, state of emergency, no restrictions permitted. — The state, any political subdivision, or any person shall not prohibit or restrict the lawful possession, transfer, sale, transportation, storage, display, or use of firearms or ammunition during an emergency.
(L. 2007 S.B. 257)