From the "California Dangerous Weapon Control Law"...
12001. (a)(1) As used in this title, the terms "pistol," "revolver," and "firearm capable of being concealed upon the person" shall apply to and include any device designed to be used as a weapon, from which is expelled a projectile by the force of any explosion, or other form of combustion, and that has a barrel less than 16 inches in length. These terms also include any device that has a barrel 16 inches or more in length which is designed to be interchanged with a barrel less than 16 inches in length.
(2) As used in this title, the term "handgun" means any "pistol," "revolver," or "firearm capable of being concealed upon the person."
(b) As used in this title, "firearm" means any device, designed to be used as a weapon, from which is expelled through a barrel a projectile by the force of any explosion or other form of combustion.
Pretty clear cut to me......which is why I left California 5 years ago and will never go back.
I report.......You decide. :m2c: