You may wish to write this down for the time a town cop will try, and arrest you for some dumb reason.
724.28 PROHIBITION OF REGULATION BY POLITICAL
A political subdivision of the state shall not enact an ordinance
regulating the ownership, possession, legal transfer, lawful
transportation, registration, or licensing of firearms when the
ownership, possession, transfer, or transportation is otherwise
lawful under the laws of this state. An ordinance regulating
firearms in violation of this section existing on or after April 5,
1990, is void.