Actually, looking at the demographics of the branches of the military that would be most involved in attempting to suppress a home-grown rebellion of gun-owners

Actually, looking at the demographics of the branches of the military that would be most involved in attempting to suppress a home-grown rebellion of gun-owners, it's more than likely that there would be wide-spread mutiny. Or else an exodus of the leadership and rank-and-file soldiery on par with the Southerners that resigned in '61.