Them: “A gun is a tool.”
There are several versions of the text of the Second Amendment, each with slight capitalization and punctuation differences, found in the official documents surrounding the adoption of the Bill of Rights. One version was passed by the Congress, while another is found in the copies distributed to the States and then ratified by them.
As passed by the Congress:
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.
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.