In the United States Court of Appeals for the Fourth Circuit, Stephen V. Kolbe ; Andrew C. Turner ; Wink's Sporting Goods, Inc. ; Atlantic Guns, Inc. ; Associated Gun Clubs of Baltimore, Inc. ; Maryland Shall Issue, Inc. ; Maryland State Rifle and Pistol Association, Inc. ; National Shooting Sports Foundation, Inc. ; Maryland Licensed Firearms Dealers Association, Inc., plaintiffs-appellants, and Shawn J. Tardy ; Matthew Godwin, plaintiffs, v. Martin J. O'Malley, Governor, in his official capacity as Governor of the State of Maryland ; Douglas F. Gansler, in his official capacity as Attorney General of the State of Maryland ; Marcus L. Brown, colonel, in his official capacity as Secretary of the Department of State Police and Superintendent of the Maryland State Police ; Maryland State Police, defendants-appellees [electronic resource] : on appeal from the United States District Court for the District of Maryland : brief for amici curiae Law Center to Prevent Gun Violence and Marylanders to Prevent Gun Violence, Inc. / Jonathan K. Baum, Mark T. Ciani.

This is an amici brief in a case challenging the constitutionality under the Second Amendment of a Maryland statute banning assault weapons and large capacity ammunition magazine.