Whatever the case, it has to be said that this is pretty damn science-fictional. Picture your basic 5000-pound bunker-busting bomb, of which only 800 pounds is explosive, and the rest the steel casing. Then replace the steel casing with explosive that only goes off under certain circumstances. So instead of delivering 800 pounds of explosive to the target, you get two and a half tons of stuff that goes boom, perhaps in the form of a shaped charge designed to blast through, well, pretty much anything.
This applies to any form of munition: artillery shells, grenades, small-arms ammunition, and the parts of a rocket that aren't concerned with propulsion or guidance. Plus this may prove a boost to the Navy's rail-gun program.
You have to get a little worried when it comes to small-arms ammo, though. All that investment in body armor and armored vehicles, all gone, and our biggest tanks turned to swiss cheese by some guy with a medium-sized machien gun.