Put three 165gr Accubonds through a bull's lungs/chest and he was still laying there looking at me as I approached. He was still on his feet after the first two. I watched for a few more minutes waiting for him to die and put a fourth through his neck to end it. Both lungs were punctured but definitely not shredded or exploded, one bullet was recovered under the hide on the far side and the other two passed through with very small entries and exits. Not very much blood at all between where he stood and the 20-25 yards away that he laid down.
Common sense tells me the first shot should/could/would have killed him if I just waited it out, but I didn't want to leave the opportunity for a long tracking job and even longer pack out so I kept shooting. After the first hit to the chest that I suspect got both lungs, he was standing still and looking sick, but I didn't want to give him a chance to run.
I was shooting a Sig Cross (16" barrel, 1:10 twist) with Nosler Trophy Grade factory ammo. I know the short barrel isn't maximizing velocity, but is 350 yards really getting into maximum range territory? Prior to this experience I thought I was good out to 450 at least. Maybe I'm making something out of nothing because again, I feel that he would have eventually died from the first shot, but who knows how long it would have taken since he was still alive after about 15 minutes and two more bullets?
Not giving up on my gun or even necessarily the load, but it definitely wasn't a "smoked his ass" feeling even though the shots were good. Two days later I shot a buck at 310 yards and he only ran about 40 yards downhill and left a good heavy blood trail all the way to where he crumpled.