Most court documents are provided as PDF files. Gun laws in California regulate the sale, possession, and use of firearms and ammunition in the state of California in the United States.Likewise, the Second Amendment right to possess guns to defend oneself and one's family protects the right to buy such guns. 2. Likewise, the Second Amendment right to possess guns to defend oneself and one's family protects the right to buy such guns. 2. The complete judicial disaccord on gun rights in the decade since Heller has met with a deafening silence from the justices. Heller (2008), the Supreme Court handed down a landmark decision that held the amendment protects an individual's right to keep a gun for self-defense. , THE RIGHT TO KEEP AND BEAR ARMS (Comm. Define the full scope of that right, leaving lower courts to fill in the gaps. As we made clear, those two judges were not only mistaken, they displayed a shocking ignorance of basic Fourth Amendment law. Respondents suggest further support for this implicit First Amendment right in the language of Grosjean v.