California and the Second Amendment

Ever since the U.S. Supreme Court ruled in McDonald v. Chicago (2010) that the Second Amendment restricts the actions of the states as well as the federal government, the constitutionality of state laws related to firearms has been less than certain.
It was only two years earlier that the Supreme Court had declared, with its ruling in District of Columbia v. Heller, that the right to keep and bear arms is an individual right that does not depend on participation in a state militia. The McDonald