The National Rifle Association, one of the most effective lobbies in Washington, opposed the measure because it thought passage of the bill would lead to further government restrictions on the right to bear arms.

Chip called from New Hampshire to tell me about Jack's representing me at the National Rifle Association meeting. Jack not only told them I was a hunter all my life and a good shot, but also said in a loud voice, "My daddy will approve anything you want to do in the woods."[…]
The key words were "in the woods." The NRA, basing its argument on the Second Amendment to the U.S. Constitution regarding the right to bear arms, has acquired tremendous influence within the U.S. Congress and among state and local governments.

Right to bear arms

Meaning

Noun