The individual right to keep and bear arms for self-defense is incorporated against the states through the Fourteenth Amendment's Due Process Clause or Privileges or Immunities Clause. Decided June 28, 2010 (argued March 2, 2010). Opinion of the Court: Alito (Parts I, II–A, II–B, II–D, III–A, and III–B) Dissenting: Stevens, Breyer. Applied: the Second Amendment → go there Applied: the Fourteenth Amendment → go there Topic: Second Amendment rights. McDonald v. City of Chicago, 561 U.S. 742 (2010), is a landmark decision of the Supreme Court of the United States that found that the right of an individual to "keep and bear arms", as protected under the Second Amendment, is incorporated by the Fourteenth Amendment and is thereby enforceable against the states. The decision cleared up the uncertainty left in the wake of District of Columbia v. Heller (2008) as to the scope of gun rights in regard to the states. Wiki link