This also does not apply to any machine gun registered in the national firearms registry and transfer records of the U.S. Treasury Department or classified as a curio or relic by the U.S. Treasury Department. The possession, transporting, selling or transferring of a machine gun by a museum as part of its collection or an educational institution for educational purposes or by an authorized employee of such museum or institution is not unlawful. Authorized manufacturers or dealers may manufacture, possess, transport, sell, or transfer machine guns solely for or to a dealer or a regularly constituted or appointed state or municipal police department or police officer, or a detention facility, or the military service of Arizona or the United States, or a museum or educational institution or a person specifically licensed or permitted pursuant to Arizona law or the National Firearms Act. A political subdivision shall not require the licensing or registration of firearms or prohibit the ownership, purchase, sale, or transfer of firearms. Ordinances relating to the transportation, possession, carrying, sale and use of firearms shall not be in conflict with state law.
State law preempts the subject of minors carrying, possessing, or transporting firearms.
It is unlawful to remove, alter or destroy the manufacturer's serial number on a firearm. It is unlawful to recklessly handle, display, or discharge a firearm with the intent to disturb the peace and quiet of a neighborhood, family or person. No person shall discharge a firearm from a motor vehicle, including an automobile, aircraft train or powerboat, or from a sailboat, boat under sail or floating object towed by powerboat or sailboat. No person shall knowingly discharge a firearm upon, from, across or into a road or railway. It is unlawful to discharge a firearm while taking wildlife within a quarter mile of an occupied farm house or other residence, cabin, lodge or building without the permission of the owner or resident.