§180.3 Definition and use of firearms, guns, and airguns
For the purposes of the Fish and Wildlife Law and this Title:
(a) The terms "firearm" or "gun" shall mean any rifle, pistol, shotgun or muzzleloading firearm which by force of gunpowder, or an airgun as defined in subdivision (b), that expels a missile or projectile capable of killing, wounding or otherwise inflicting physical damage upon fish, wildlife or other animals.
(b) The term "airgun" shall mean any implement which by the force of a spring, air or other non-ignited compressed gas expels a missile or projectile and has a rifled or smooth barrel, using ammunition no smaller than .17 caliber, producing projectile velocities of not less than 600 feet per second. For the purposes of the Fish and Wildlife Law, an implement meeting the above specifications shall be considered a firearm or gun, and may be used to take protected wildlife whenever such protected wildlife may legally be taken with a rimfire rifle.