We've been over this in excruciating detail already.
It's obvious what the motivations for this are, and it's not about disarming criminals.
Meanwhile, while Your Government is doing its damnedest to disarm you, the Department of Homeland Security has bought up about 1.6 billion rounds of ammunition over the past ten months. At the rate ammunition was used in the war in Iraq at its height, 5.5 million rounds a month, this would be enough to fight that war for 24 years.
We've already seen the use that has been made of people's legal firearm registration records. It's easy to extrapolate from that.