Maybe read these books to really learn something about the SECOND AMENDMENT, rather than the way you think it ought to be.
Amazon.com: A Right to Bear Arms: State and Federal Bills of Rights and Constitutional Guarantees (Contributions in Political Science): Stephen P. Halbrook: Books
Amazon.com: that every man be armed: Books
Amazon.com: The Founders' View of the Right to Bear Arms: A Definitive History of the Second Amendment: David Young: Books
Amazon.com: To Keep and Bear Arms: The Origins of an Anglo-American Right: Joyce Lee Malcolm: Books
Amazon.com: The Founders' Second Amendment: Origins of the Right to Bear Arms: Stephen P. Halbrook: Books
Amazon.com: Whose Right to Bear Arms Did the Second Amendment Protect? (Historians at Work): Saul Cornell: Books