I'm not sure what you mean by "gimmick", exactly.
They're coated in "Lubalox", which does essentially the same thing as Moly. Otherwise, they're basically like any other ballistic tip bullet.
Still happily answering to the call-sign Peetza.
You do not HAVE a soul. You ARE a soul. You HAVE a body.
He is no fool who gives what he can not keep to gain what he can not lose.
-Jim Eliott, paraphrasing Philip Henry.