I'd keep the 123 Amax off of shoulders if your shooting them at 200+ pound deer.... they can get a little zookey at 3000fps. I did kill one big bodied blacktail buck with one at about 40 yards.... it exited and the deer turfed poste haste... but that was a solid rib cage shot. They do mean ugly stuff to coyotes and other vermin though.... I've got some action shots that are pretty impressive....