https://www.ilga.gov/legislation/fullte ... =&Session=
What Are ‘Ghost Guns', And Why Are They Now Banned in Illinois?(c) Beginning 180 days after the effective date of this
4 amendatory Act of the 102nd General Assembly, it is unlawful
5 for any person to knowingly possess, transport, or receive an
6 unfinished frame or receiver, unless:
No more building from blanks or flats for Illinois residents.“The people creating, selling, and purchasing these firearms know that they’re working to circumvent common-sense gun laws that ensure guns stay out of the hands of traffickers, abusers, and convicted criminals,” Pritzker said in a statement.