MO HB2150

State preempts all local legislation on firearms, components, ammunition, and supplies, voiding any existing or future local ordinances except those conforming to state law or regulating firearm discharge.

Political subdivisions prohibited from adopting ordinances concerning sale, purchase, transfer, ownership, use, possession, bearing, transportation, licensing, permit, or registration of firearms, except for standard sales and use taxes.

Lawful design, marketing, manufacture, distribution, and sale of firearms and ammunition are not abnormally dangerous activities or public nuisances, and protect manufacturers, trade associations, and dealers from liability suits by political subdivisions.

Political subdivisions may enforce ordinances that conform to state criminal code sections 571.010 to 571.070, regulate open carrying of readily lethal firearms, or regulate firearm discharge if compliant with justification defenses.

Courts shall award reasonable attorney fees, expenses, and court costs to any person or entity prevailing in a challenge to a local ordinance or administrative action conflicting with this section.