Supreme Court to be Asked to Review 7th Circuit's AR-15 Ruling

I can't understand the ruling by the 3 Judge panel of the 7th circuit at all. How could they even consider that the AR is not covered under the 2A. Are ARs something magical like Unicorn farts.
SGT James Murphy, CPT Jack Durish,
SPC Gary Welch, SGT Mark Anderson,
CPL Douglas Chrysler, LTC Trent Klug,
CSM Charles Hayden, SMSgt David A Asbury,
SSG William Jones, MSgt Robert "Rock" Aldi
SSG Michael Noll, MAJ Dale E. Wilson, Ph.D.
SGM Erik Marquez, CW3 Harvey K.
SFC William Farrell, CPL Ronald Keyes Jr
Sgt (Join to see), SSG (Join to see)
1SG Dan Capri, LTC (Join to see)