Created on December 15 , 1791 , the Second Amendment in the United States Constitution is the part of the United States Bill of Rights that protects the right of citizens to have firearms . The Second Amendment ( Amendment II ) to the United States Constitution is the part of the United States Bill of Rights that protects the right of the people to keep and bear arms . It was adopted on December 15 , 1791 , along with the rest of the Bill of Rights .