(a) Any person, except a duly appointed peace officer as defined in Chapter 4.5 (commencing with Section 830) of Title 3 of Part 2, a full-time paid peace officer of another state or the federal government who is carrying out official duties while in this state, a person summoned by any officer to assist in making arrests or preserving the peace while the person is actually engaged in assisting any officer, or a member of the military forces of this state or the United States who is engaged in the performance of his or her duties, who brings or possesses any dirk, dagger, ice pick, knife having a blade longer than 2 1/2 inches, folding knife with a blade that locks into place, a razor with an unguarded blade, a taser, or a stun gun, as defined in subdivision (a) of Section 244.5, any instrument that expels a metallic projectile such as a BB or a pellet, through the force of air pressure, CO[2] pressure, or spring action, or any spot marker gun, upon the grounds of, or within, any public or private school providing instruction in kindergarten or any of grades 1 to 12, inclusive, is guilty of a public offense, punishable by imprisonment in a county jail not exceeding one year, or by imprisonment in the state prison. § 12601. "Less lethal weapon"; "Less lethal ammunition" (a) "Less lethal weapon" means any device that is designed to or that has been converted to expel or propel less lethal ammunition by any action, mechanism, or process for the purpose of incapacitating, immobilizing, or stunning a human being through the infliction of any less than lethal impairment of physical condition, function, or senses, including physical pain or discomfort. It is not necessary that a weapon leave any lasting or permanent incapacitation, discomfort, pain, or other injury or disability in order to qualify as a less lethal weapon. (c) "Less lethal ammunition" means any ammunition that (1) is designed to be used in any less lethal weapon or any other kind of weapon (including, but not limited to, firearms, pistols, revolvers, shotguns, rifles, and spring, compressed air, and compressed gas weapons) and (2) when used in the less lethal weapon or other weapon is designed to immobilize or incapacitate or stun a human being through the infliction of any less than lethal impairment of physical condition, function, or senses, including physical pain or discomfort. § 12650. "Stun gun" "Stun gun" as used in this chapter shall include any item, except a taser, used or intended to be used as either an offensive or defensive weapon capable of temporarily immobilizing a person by the infliction of an electrical charge
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