If it is FASTER than 700fps, in the .177 size,,,then it IS a firearm. The owner must possess or get a FOID. Also the firearm must be registered with the I.S.P. Let's make sure our posts are accurate for everyone.
I have a simple solution; Move out of IL. (no joke.). You could not pay me enough $$$ to live in half of the states of the union because of Draconian firearm laws. Jmho. Without the 2nd amendment, the rest are worthless. No way to back them up. The founding fathers were not stupid. #1 be able to speak our peace. #2 be able to back it up!!!