I’m thinking more like Cambodia where the young killed the old. If they tried that here, it would be a short experience. There are over 200m gun owners and its growing rapidly.
Dreaming, you are (voice of Yoda). No gun owner or group of gun owners are going to start shooting. Besides, the left isn't stupid enough to try and make all of their changes at one time. Seattle and others are a trial. Once people let that happen unabated, they'll move to the next big cities. The left plays the long-term incremental game, and the right is too blind to see it will be too late to use their guns when they come for them. At best, gun owners will be on their own against mob rule.