If the Left wants a war, they engage in such a battle as seditous criminals. Call out the National Guard and leave the rubber bullets at home.
Don’t engage in a vigilante action, let the US military do their job of defending the homeland against aggressors foreign and domestic. It is not a police action for local agencies, it is a bigger job.
Put down the insurgency by sheer force.
It's a good thing that many Americans know how to defend themselves with a handgun.