As of today firearms dealers are no longer allowed to sell state compliant ARs based upon the AR-15.
Guarantee that Commifornia, New Russia, and China Jersey will follow
[url=https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.boston.com/news/local-news/2016/07/20/massachusetts-enforce-longstanding-assault-weapons-ban-closing-loophole&ved=0ahUKEwi1zOCu6YLOAhULNT4KHREJAWkQqG8IITAC&usg=AFQjCNHv0P_QsRFvQTVSVfMnO1QRK6RoxQ&sig2=PI-h4dvT2dfvfkm-0Jnr-A]AR Ban[/url]
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Arguably, they aren't doing anything worse than re-framing the current law (one that has existed since 1998) and closing a loophole. As it was, it was easy to simply take off a piece or two, sell the gun. People can easily pick up those pieces and turn them back into the guns that were illegal.