their opposition will most likely be some 30+ year old boomer who will have a wonderful time sniping them and their shitty AR's with nothing more than a old M1 Garand with a scope taped onto it.

And the military itself. If a civil war breaks out, the patriots in the US Military will weed out the one or two commie traitors in about five seconds. They already know who the democrats are. The military tends to take note of the traitors in their ranks. It's kind of an operation necessity.