Note that guns-for-defense-against-tyranny gun owners are not on the Government's side on this issue. It's the anti-gun nanny-state constituency that is supporting the government.

The group that both guns and supports domestice spying is overlap of "I just use guns for shooting rabbits for fun, and I don't like brown people, and I trust the government", not the groups that says "I need my guns in case the government tries to steal my land."