Michigan HB4479 mandates that all firearm components contain serial numbers and prohibits possession of unserialized firearms.

Michigan HB4479 amends existing law to require all firearm components to bear a valid serial number. The bill prohibits individuals from knowingly possessing, manufacturing, assembling, importing, selling, offering to sell, transferring, or owning any firearm or firearm component without a serial number. Exceptions include law enforcement agencies, federally licensed gunsmiths, manufacturers, importers, and certain government entities. The bill also prohibits the possession of "ghost gun precursors," which are frames or receivers without serial numbers.

Michigan HB4479 mandates that all firearm components contain serial numbers and prohibits possession of unserialized firearms.

Michigan HB4479 amends existing law to require all firearm components to bear a valid serial number. The bill prohibits individuals from knowingly possessing, manufacturing, assembling, importing, selling, offering to sell, transferring, or owning any firearm or firearm component without a serial number. Exceptions include law enforcement agencies, federally licensed gunsmiths, manufacturers, importers, and certain government entities. The bill also prohibits the possession of "ghost gun precursors," which are frames or receivers without serial numbers.