zero trouble killing my last muley and that bullet fragged badly as well. Im suspecting a poor hit. Even the neck shot at 15 yards didnt do anything do him which was most likely a missed shot. I swear, mule deer go down right away or leave blood, but its these whitetails that are bullet proof when it comes to powerbelts.
I think judgment is being rushed a bit to much right now. Without the deer, its easy to jump on the wagon and blame the bullet. 80gr T7 pellets is going to be a good performing load when its placed right, but again, without being able to see what happened, theres just no telling until you can recover the deer.