Yeah, the attempt to negate the entire act by doing an end run around the interstate commerce clause had me amused. I find it curious how federal enforcers largely give up if they don't have the cooperation of the state enforcers.
I've always stayed away from ARs just because I dislike the 5.56 round. May have to reconsider that, one running 6.5 creedmoor would be right nice. Hmm....