(1) As used in this section, unless the context otherwise requires:

(a) "Civil disorder" means any planned 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 property or to another person.

(b) "Explosive or incendiary device" means:

(I) Dynamite and all other forms of high explosives;

(II) Any explosive bomb, grenade, missile, or similar device;

(III) Any incendiary bomb or grenade, fire bomb, or similar device, including any device which:

(A) Consists of or includes a breakable receptacle containing a flammable liquid or compound and a wick composed of any material which, when ignited, is capable of igniting such flammable liquid or compound; and

(B) Can be carried or thrown by one person acting alone.

(c) "Firearm" means any weapon which is designed to expel or may readily be converted to expel any projectile by the action of an explosive or the frame or receiver of any such weapon.

(d) "Law enforcement officer" means any peace officer of this state, as described in section 16-2.5-101, C.R.S., including a member of the Colorado National Guard or any peace officer of the United States, any state, any political subdivision of a state, or the District of Columbia. "Law enforcement officer" includes, but is not limited to, any member of the National Guard, as defined in 10 U.S.C. sec. 101 (9), any member of the organized militia of any state or territory of the United States, the Commonwealth of Puerto Rico, or the District of Columbia who is not included within the definition of National Guard, and any member of the armed forces of the United States.

(2) Any person who teaches or demonstrates to any person the use, application, or making of any firearm, explosive or incendiary device,or technique capable of causing injury or death to any person and who knows that the same will be unlawfully used in furtherance of a civil disorder and any person who assembles with one or more other persons for the purpose of training or practicing with, or being instructed in the use of, any firearm, explosive or incendiary device, or technique capable of causing injury or death to any person with the intent to unlawfully use the same in furtherance of a civil disorder commits a class 5 felony.

(3) (a) Nothing in this section makes unlawful any activity pursuant to section 13 of article II of the state constitution or activity of the parks and wildlife commission, any law enforcement agency, any hunting club, or any rifle club, any activity engaged in on a rifle range, pistol range, or shooting range, or any activity undertaken pursuant to any shooting school or other program or instruction, any of which activities is intended to teach the safe handling or use of firearms, archery equipment, or other weapons or techniques and is employed in connection with lawful sports or teach the use of arms for the defense of home, person, or property, or the lawful use of force as defined in part 7 of article 1 of this title, or other lawful activities.

(b) Nothing in this section shall make unlawful any act of a law enforcement officer which is performed as a part of his official duties.