https://www.wsj.com/articles/ghost-gun-company-raided-by-federal-agents-11607670296
Not that we should be surprised with all of the tomfoolery with this particular agency
Looks like their issue was packaging the P80 lower builds (legal non-gun) with a ready to go upper (non-regulated part)...
Saw this on the news.
https://www.azfamily.com/traffic/truck-carrying-2-000-rounds-of-ammo-catches-fire-closes-eastbound-i-10-in-tempe/article_764c0c70-8383-11ea-8eca-4f49a49d7763.html
Bummer for the loss. :o