Aussies did the same thing years ago after Tasmania incident. Only they used bulldozers...
***Only they used bulldozers...***
I remember Handgun Control Inc, when they finally went anti-rifle, taking lots of “A-s-s-s-ault R-r-ifles” laying them on the pavement and running over them with a heavy road construction asphalt roller.
The rifles turned out to be tougher than expected and they had to keep rolling back and forth many times to destroy them.