The old Hornady 410 gr 50 cal flat point was my go to bullet for many years. I shot a lot of game with them, and for the most part thought they did okay. But after a few experience's with them not anchoring the animal I had to switch. Both of these bullets came out of the same deer. The bullets showed poor penetration on a chest shot deer.
One weighs 350 and the other is 380. The deer was still on his feet and had to be chased down and finished off. These bullets were under the hide when I found them.
This next deer was hit a little high in the chest and left almost no blood. Again that was due to the high chest shot. But the deer didn't even show signs of being hit.
This last buck was the first animal killed with the Lee 500 S&W bullet paper patched. The shot was 150 yards. The bullet slammed the buck to the ground and exited the animal. These bullets are slightly harder than pure. Somewhere around 6 to 7 BHN. They have a wide meplate that does indeed provide shock power to the animal. Most of the game shot with that bullet either die right there or don't go very far. Usually the blood trail is substantial. I have only found two of these bullets in over 12 years hunting. Both were found in elk.
What I came to find out was the Hornady bullets are very soft. On my cabine tree tester they run .018 to .024 on the dial indicator. Not all testers are the same when it comes to hardness. Cabine tree will see a soft 5 or a hard 5 on pure. The Hornady 410's I tested were on the very soft side. Over expansion in my opinion was a big issue with the bullets not penetrating as far as they should on game.
The hollow point Hornady in my opinion is not a game bullet. I am sure many animals are killed with them, but I personally wouldn't trust a possible once in a life time elk hunt on them.
This year I shot a bull with my paper patched bullets. The 458 grain bullet still weighed 454 grains after putting the elk down where he stood with a high shoulder shot that broke the spine.
Factory bullets for game hunting are, again in my opinion are sub par. Most are butter soft and over expand, or are butter soft and have a hollow point that again is not needed.
Moulds like the REAL are very pointed and have little to no MEPLAT to provide some shock to the animal. Some will say that muzzleloaders have no shock power. That is false, I have seen it many, many times.