Weapons: firearms; certain provisions regarding weapons; repeal. Amends secs. 230, 231 & 237a of 1931 PA 328 (MCL 750.230 et seq.) & repeals (see bill).

This bill amends Michigan's penal code to update penalties and exemptions related to firearm possession, particularly within school zones. It modifies existing laws to clarify when individuals, such as licensed concealed carry permit holders and certain security personnel, are exempt from school zone restrictions. The legislation also adjusts penalties for altering firearm markings and expands exemptions for law enforcement, military personnel, and school security employees. Additionally, it provides specific exceptions for transporting unloaded firearms in vehicles under certain conditions, such as hunting trips or moving between residences.