This action is being taken because California recently passed (13) anti-gun laws. California has enacted several laws that make it illegal to manufacture, sell, or possess ghost guns, including Assembly Bill 1621 (2022), which bans possession of unserialized firearms and parts, and Assembly Bill 1263 (2025), which criminalizes facilitating unlawful firearm manufacturing. These laws require serial numbers on all firearms and mandate background checks for precursor parts sales. Unless you are a federally licensed firearms manufacturer, you cannot legally sell or transfer your self-manufactured firearm.