Illinois Administrative Code
Title 17 - CONSERVATION
Part 110 - PUBLIC USE OF STATE PARKS AND OTHER PROPERTIES OF THE DEPARTMENT OF NATURAL RESOURCES
Subpart A - GENERAL PROVISIONS
Section 110.170 - Weapons and Firearms - Display and Use

Unless otherwise allowed by statute, it shall be unlawful for any person, other than authorized peace officers, to display or use a weapon or firearm on Department-owned, -leased or -managed properties, except as authorized by the Department for hunting (see 17 Ill. Adm. Code 510, 530, 550, 570, 590, 650, 660, 670, 680, 690, 710, 715, 720, 730, and 740), at field trials (see 17 Ill. Adm. Code 910), or at target or special event areas. This includes, but not is not limited to, any firearm including shotgun, rifle, pistol, revolver, air or BB gun, and sling shot, bow and arrow, switchblade knife with spring loaded blade, throwing knife, tomahawk or throwing axe, or martial arts devices.