Citation(s) from the GunPolicy.org literature library
USA. 1791 ‘Second Amendment to the Constitution.’ Constitution of the United States, The Bill of Rights; Article II. Washington, DC: Congress of the United States of America. 15 December
Second Amendment to the Constitution
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.
[This phrasing, with the exact punctuation and capitalisation above, is the version passed by the Congress and Senate of the United States. It was adopted on December 15, 1791. Slightly different punctuations were distributed to the States.]