All, I will be making some reloads for my wife's 6.5creedmoor used for whitetail hunting. Range on whitetails will be out to 350 yards. What are the differences in the Hammerhunter Vs. the sledgehammer bullets? Looks like the sledgehammers have a larger opening to the hollowpoint. Does this make for faster expansion? I am trying to develop a lighter weight round which will shoot relatively flat and penetrate well on whitetails even if she hits some bone which is why I'm wanting to use solid copper bullets which will have a better chance of holding together if they hit bone. I am interested in using one of the 4 following bullets...the 110gr hammer hunter, 124gr hammer hunter, the 117 grain Sledgehammer or the 130 sledgehammer (leaning towards 110, 117, or the 124 to try and keep speeds up for a flatter shooting round since max distance is only 350 yards). Thanks for all info!