Ariz. Rev. Stat. § 17-603
A. If an outdoor shooting range was constructed before July 1, 2002 in compliance with existing applicable county or municipal ordinances and zoning requirements and if property located within one mile of the exterior property boundary of the range is rezoned after July 1, 2002 for residential use or any other use that includes a school, hotel, motel, hospital or church, the zoning authority must provide for noise buffers or attenuation devices that are either: