Huh, what? Is this new? I missed it, somehow. I remember this ‘workaround’ for ARs back in Feb:
http://www.foxnews.com/us/2014/02/16/cosmetic-tweaks-to-ar-15-thwart-new-york-ban-on-assault-rifles/
Tom reported that a prosecuting attorney in NY is asking for a list of names of who already bought AR-15s from gun dealers. Presumably to raid their houses.