Well, the UK never had a problem with handguns until the gummt banned them in one of their irrational brainstorms . As soon as that happened there was an explosion of illegally held handguns being used in crimes and a whole new industry of importing and distributing them sprang up. Why? Because banning made them "bad" and thus trendy - and suddenly the must have accessory for every unemployed bum in a gang...
It isn't legally held weapons that are the problem so please don't punish responsible legal owners. That is undemocratic, irrational and bloody unfair.