"Necessity is the plea for every infringement of human liberty. It is the argument of tyrants; the creed of slaves."-William Pitt the Younger
Don't know the details. Has something to do with a pending law suit regarding accusations of false advertising and basically all of their brands that have anything to do with "assault" weapons appear to have been shuttered. AAC is another brand owned by FG. This page has a full list. https://guns.fandom.com/wiki/Freedom_Group
Fool-proofing serves only one purpose: identify bigger fools.