In California, no license or permit shall be required to possess keep, or carry a handgun openly or concealed in one's home or place of business. The Second Amendment.The Second Amendment protects the right to keep and bear arms. A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed. Gun laws in California regulate the sale, possession, and use of firearms and ammunition in the state of California in the United States. California gun control laws include a ban on magazines holding more than 10 rounds that now appears headed to the U.S. Supreme Court. Forbid firearm possession in sensitive places such as schools and government buildings. A repeal would require "a sea change" in how Americans think about gun control and the right to bear arms, one professor says. While Democrats push a new round of gun control bills, California gun rights advocates are fighting back in a more hospitable venue: the federal judiciary. The Second Amendment in the same docket.