A person commits the offense of unlawful possession of firearms or firearm ammunition when:
(A) He is under 18 years of age and has in his possession any firearm of a size which may be concealed upon the person;
(B) He is under 21 years of age, has been convicted of a misdemeanor other than a traffic offense or adjudged delinquent, and has any firearms or firearm ammunition in his possession;
(C) He has been convicted of a felony under the laws of this or any other jurisdiction and has any firearms or firearm ammunition in his possession;
(D) He is a narcotic addict and has any firearms or firearm ammunition in his possession;
(E) He has been a patient in a mental hospital within the past five years and has any firearms or firearm ammunition in his possession; or
(F) He is a person with an intellectual disability and has any firearms or firearm ammunition in his possession.
(G) He has in his possession any explosive bullet. For the purposes of this section
EXPLOSIVE BULLET
means the projectile portion of an ammunition cartridge which contains or carries an explosive charge which will explode upon contact with the flesh of a human or an animal.
CARTRIDGE
means a tubular metal case having a projectile fixed at the front thereof and a cap or primer at the rear end thereof with the propellent contained in the tube between the projectile and the cap.
(H) Nothing in this section prohibits a person under 18 years of age from participating in any lawful recreational activity with a firearm, such as, but not limited to, practice shooting at targets upon established public or private target ranges or hunting, trapping, or fishing in accordance with the Wildlife Code or the Fish and Aquatic Life Code.
(ILCS Ch. 720, Act 5, § 24-3.1) Penalty, see § 130.99