After all of the non-violent, constitutional remedies are exhausted, there will be one last constitutional remedy, and that is enshrined in our Second Amendment.
"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."
"I do solemnly swear that I will support and defend the Constitution of the United States against all enemies, foreign and DOMESTIC"