https://www.bostonglobe.com/metro/2017/01/23/mass-chapter-nra-targets-state-assault-weapons-ban-federal-lawsuit-against-healey/IX7YTBuknWbWxM7BFDJ8LO/story.html

The Massachusetts affiliate of the National Rifle Association on Monday sued Governor Charlie Baker and Attorney General Maura Healey, contending the state’s ban on assault weapons is unlawful and should be declared “void and unenforceable.”
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Jay Porter, a lawyer for the plaintiffs, who also include licensed gun dealers and owners in Massachusetts, said the suit was filed in response to what he described as heightened animus toward legal gun ownership in the Bay State.
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Porter added: "Our position is that the state doesn’t have the authority under the Second Amendment to ban firearms that are commonly kept by responsible law abiding citizens for lawful purposes. ... The Supreme Court has told us emphatically that the government cannot ban popular firearms which are commonly kept for lawful purposes."
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Jillian Fennimore, a spokeswoman for Healey, said in an e-mail that "the assault weapons ban keeps dangerous, military-style weapons off our streets."
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