720 ILCS 5/24-1.6

(a) A person commits the offense of aggravated unlawful use of a weapon when he or she knowingly: (1) Carries on or about his or her person or in any vehicle or concealed on or about his or her person except when on his or her land or in his or her own abode, legal dwelling, or fixed place of business, or on the land or in the legal dwelling of another person as an invitee with that person's permission, any pistol, revolver, stun gun or taser or other firearm; and (3) One of the following factors is present: (A) the firearm, other than a handgun possessed in accordance with the Firearm Concealed Carry Act, was uncased, loaded, and immediately accessible; or (B) the firearm was uncased, unloaded, and the ammunition for the weapon was immediately accessible; or (C) the person possessing the firearm has not been issued a currently valid Firearm Owner's Identification Card.

(d) Sentence. (1) Aggravated unlawful use of a weapon is a Class 4 felony; a second or subsequent offense is a Class 2 felony for which the person shall be sentenced to a term of imprisonment of not less than 3 years and not more than 7 years.