20 ILCS 2610/17c
"Bayonet" means a large knife designed to be attached to the muzzle of a rifle, shotgun, or long gun for the purpose of hand-to-hand combat.
"Grenade launcher" means a firearm or firearm accessory used to launch fragmentary explosive rounds designed to inflict death or cause great bodily harm.
"Military equipment surplus program" means any federal or State program allowing a law enforcement agency to obtain surplus military equipment, including, but not limited to, any program organized under Section 1122 of the National Defense Authorization Act for Fiscal Year 1994 ( Pub. L. 103-160 ) or Section 1033 of the National Defense Authorization Act for Fiscal Year 1997 ( Pub. L. 104-201 ), or any program established under 10 U.S.C. 2576a.
"Tracked armored vehicle" means a vehicle that provides ballistic protection to its occupants and utilizes a tracked system instead of wheels for forward motion, not including vehicles listed in the Authorized Equipment List as published by the Federal Emergency Management Agency.
"Weaponized aircraft, vessel, or vehicle" means any aircraft, vessel, or vehicle with weapons installed.
20 ILCS 2610/17c