The 2nd amendment as a political tool and the "right to revolution" as one of the rights enumerated in the constitution are standard gun nut fare, something even supposedly respectable conservative constitutional scholars flirt with. Usually doesn't come from the presidential candidate of one of the two main political parties.
...I think this is the quote:
Hillary wants to abolish, essentially abolish the Second Amendment. By the way, and if she gets to pick — if she gets to pick her judges, nothing you can do, folks. Although the Second Amendment people, maybe there is, I don’t know.