Hi, Big Top Gt,
It would be difficult today in this country to pass a flat ban on privately owned guns, but there are groups working toward that goal. The Supreme Court ruled that DC could not totally ban handguns, but the issue is still undecided as to whether a state could ban some or all guns, or make ownership so burdensome as to be an effective ban (say a $100,000 a year tax on every gun and $10,000 on each round of ammunition - not a ban, but...).
England has totally banned private possession of handguns. Period. Shotguns and rifles are still legal to own, but perhaps not for long. Of course crime has gone up, but as Senator Lautenberg once said, "I don't give a damn about crime, we have to disarm the American people."
Another approach is simply to prohibit manufacture or import of some types of guns, as was done under the expired Assault Weapon Ban, and is now the object of some proposed legislation. No confiscation, no raids on homes, just an effective ban as prices go up, as they have done with machineguns since 1986.
Some people have denied that the president or his supporters want to ban guns, but the president himself has said that he "doesn't want to take away hunting guns." Since the government will define what is a hunting gun, and the clear meaning is that he wants to "take away" everything else, I think it is a bad idea to let down our guard.
Jim