If this nation ever deteriorated to the point that our Second Amendment rights could be so willfully violated, and armed resistance became commonplace, then you can bet that the Posse Comitatus Act would be suspended as well.
That means we'd be having Ruby Ridge- and Waco-grade slaughters across this nation...and the National Guard and Reserves would be called in and martial law would follow very quickly. At that time, the legitimacy of the government would be no more and we'd effectively be living in a dictatorship.
The likelihood of this happening under a Democrat is significant.
Pussy Communist Act?
In the last poll of military officers, 90% identified themselves as either "Republican or conservative."