A gun ban will not pass congress. The Dems will then do like they did to get the 1968 Gun Control Act and the Clinton Assault weapons ban passed.
They will make it a part of an omnibus crime control package which will give huge sums of money to the states for crime control and "To protect our children".. Only then will many of the pro-gunners get on board. Greed.
You better not bet your ammo on that. Best to get your AK's, AR's, etc. now while you still can. For that matter any semi-auto may be banned -- as earlier noted -- since they are not "needed" for hunting purposes. My wish list includes a high capacity 10mm (only Glock makes 'em so far), and an AR-10 to compliment my collection of AK-47's. Of course then I'd need cases of 10mm and .308 too. Too many guns to buy, too little time and money -- thus some of us get twice the rifles and ammo with an AK-47 than with alternatives.