As used in this chapter:
(1) “Civil disorder” means any public disturbance involving acts of violence by an assemblage of two or more persons that causes an immediate danger of or results in damage or injury to the property or person of any other individual.
(2) “Explosive” has the same meaning as in subdivision 1603(2) of this title.
(3) “Firearm” has the same meaning as in subdivision 4016(a)(3) of this title.
(4) “Incendiary device” means a device so constructed that an ignition by fire, friction, concussion, detonation, or other method may produce destructive effects primarily through combustion rather than explosion. The term does not include a manufactured device or article in common use by the general public that is designed to produce combustion for a lawful purpose, including matches, lighters, flares, or devices commercially manufactured primarily for the purpose of illumination, heating, or cooking. The term does not include firearms ammunition.