> Point me to any other country in the western world where the concept of self defence is predicated on the possession of an AR15 capable of discharging 30 high-velocity rifle rounds in fifteen seconds.

Prohibitions on such weapons do not reduce the overall violent crime rate, so I don't see why it matters.

> Presumably, as your idea of self defence is overwhelming firepower, you spend your days campaigning against the ban on automatic weapons?

What you imagine I think or do has no bearing on the arguments at hand.