As soon as an antique is absolutely loaded (effective at discharging it is taken into account a firearm by CA regulation. So On top of that, you can't carry it open or concealed Regardless of it not remaining a firearm. These transactions will often be often called "private earnings" or https://rylanwipae.blue-blogs.com/45899304/the-no-ffl-needed-gunshop-diaries 
