Will a Gun Ban Or a Confiscation Even Work?

History says: NO.

In fact, New York City’s situation with guns is mirrored in Europe, where countries with tight restrictions also find themselves awash in illegal firearms without any clear parallels for the relatively liberal laws of Virginia or South Carolina to blame. According to the Small Arms Survey (PDF) at the Graduate Institute of International Studies in Geneva, Switzerland:

Contrary to widely-accepted national myths, public gun ownership is commonplace in most European states. It may appear to some outside observers—especially Americans—that Europeans have blindly surrendered their gun rights (Heston, 2002). The reality is that the citizens of most European countries are better armed than they realize. …

Regulations tightly control gun ownership in only a few European countries like the Netherlands, Poland, and the United Kingdom. In much of the rest of the continent, public officials readily admit that unlicensed owners and unregistered guns greatly outnumber legal ones. …

“Greatly outnumber?” Just how greatly?

Click the link to read the whole thing. It's clear that, even in countries that have tried the ban/confiscation route, people are no longer willing to trust their governments - - you all know the list of countries that tyrannised their citizens - - and are willing to live as official felons rather than surrender their natural right to self-defense with effective weapons.