Legal Question in Criminal Law in California

Convicted felons become 'prohibited persons' not allowed to own, posses, use or even touch any firearms or ammunition. None of those listed by you is defined as a 'firearm' under federal or state law. Although BB and pellet guns would be argued by a police officer to be a 'weapon', that isn't the same thing as 'firearm'.

As long as it is not classified as a firearm, a felon can possess a bb gun, pellet rifle, and even the Super Soaker 5000.

A "firearm" is defined by Penal Code section 12001 as "any device, designed to be used as a wapon, from which is expelled through a barrel a projectile by the force of any explosion or other form of combustion." (Pen. Code, section 12001, subd. (b).)