Back to belt fed weapons only. They don’t have magazines.
Personally, I see, in the case of rifles, a huge resurgence of the pump action rifle and the tubular magazine. Some semis could also adopt the tube magazine, or fixed rotary mags, similar to the old Model 99 Savage(if the rotary was engineered correctly they could be recharged quite quickly with stripper clips). Some .22s still have tubular mags and they are quite legal in most states(probably all)with the new tech in bullet design that allows pointed bullets to be safely loaded in a tube mag, this would satisfy many hunters and some people for their self defense guns.
However, I would hope that the people vote these gun grabbing a**hats out of office in 2014 and solve the problem with repeals.