of 45 specific firearms or their copies, with certain variations. Maryland's definition of an "assault pistol" includes a list of 15 specific firearms or their copies, with certain variations. Maryland also defines an assault weapon "copycat weapon" as: A semiautomatic centerfire rifle that can accept a detachable magazine and has any two of the following: a folding stock; a grenade or flare launcher; or a flash suppressor; A semiauto centerfire rifle that has a fixed magazine with the capacity to accept more than 10 rounds; A semiauto centerfire rifle that has an overall length of less than 29 inches; A semiauto pistol with a fixed magazine that can accept more than 10 rounds; A semiauto shotgun that has a folding stock; or A shotgun with a revolving cylinder. In tandem with the assault weapons ban is a law that bans the manufacture, sale or other transfer of detachable magazines with capacities greater than 20 rounds. The United States Supreme Court refused to hear a challenge to the Maryland ban in November 2017. The U.S. Court of Appeals for the 4th Circuit in Richmond had upheld the ban, stating that: "[A]ssault weapons and large-capacity magazines are not protected by the Second Amendment." Attorneys general in 21 states and the NRA had asked the Supreme Court to hear the case. Massachusetts Massachusetts law bans the sale, transfer, or possession of assault weapons not otherwise lawfully possessed on September 13, 1994. Massachusetts defines "assault weapon" by the definition of "semiautomatic assault weapon" in the federal assault weapons ban of 1994. That definition included: A list of firearms by name and copies of those firearms; Semi-automatic rifles and pistols capable of accepting a detachable magazine and having at least two specified characteristics; and Semi-automatic shotguns having at least two specified characteristics. In tandem with the assault weapons ban is a law that bans the sale, transfer, or possession of a large capacity feeding device unless such device was lawfully possessed on September 13, 1994. The definition of "large capacity feeding device" included: a fixed or detachable magazine, box, drum, feed strip or similar device capable of accepting, or that can be readily converted to accept, more than 10 rounds of ammunition or more than 5 shotgun shells; or a large capacity ammunition feeding device as defined in the federal assault weapons ban of 1994. New Jersey In May 1990, New Jersey became the second