HB 443 creates a new criminal offense for the unlawful possession or transfer of assault weapons, broadly defined to include semiautomatic rifles, shotguns, and pistols with features such as detachable magazines, pistol grips, or other accessories commonly associated with military-style firearms. The offense is classified as a Class A misdemeanor, with exceptions for law enforcement, military personnel, and individuals who lawfully possessed the weapons prior to the law’s effective date. The bill provides for the forfeiture or destruction of such weapons upon final conviction for unlawful possession or transfer. It includes detailed definitions and extends its impact to areas such as education, criminal procedure, and governmental firearm policies. The act takes effect on September 1, 2025.