Originally Posted By: NWMOKeithmy buddy at Hornady told me the other day that if you pull that tip out it will act like an armor piercing round and penetrate steel plates instead of splattering on target. Havent tried it yet but he has since he works in the lab. His name is actually in the new manual along with two others he works with(on one of the first pages)
From personal experience I can tell you a 55gr vmax as it comes out of the box will shoot straight through a 1/2" steel pistol target rated for "up to 44mag". Didn't even swing it... 
Thanks for the coments guys. If anyone else has any experience I would like to hear.