[steplock]

My shotgun ... and then add the hundreds of thousands more guns aimed at them by patriotic Americans defending the country ...

Besides, you would be very surprised what a .410 shotgun slug can do to an automobile - and the occupants for that matter!

I would prefer my old M-14 though!

[dmz]

The problem being, of course, that you don't know which car / occupants to shoot until after detonation, at which time, a shotgun blast is pretty anticlimatic.