There is absolutely no constitutional authority for unelected federal bureaucracies to write laws binding the people or the states. And there is absolutely no constitutional authority for them to be armed against the people or the states.
All legislative Powers herein granted shall be vested in a Congress of the United States, which shall consist of a Senate and House of Representatives.
And their legislative powers only to those items enumerated and delegated to it by the constitution.
The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people.