"I realize that gun control laws won't automatically take guns away from criminals, but if we ban guns, it's only a matter of time before criminals lose access to them as well. "
So, you've figured out a way to disarm all governments? Get real, an armed government is a far greater danger to an unarmed populace than the criminal element. One you can lawfully combat, the other, not so much. Without arms, you are more than likely going to be a slave, or your children will be.