I have killed three deer witht he MX3's. the first doe I killed was a pass through, but it was back through the liver, o.k. i gut shot her, but the arrow went straight through and she only went 100 yards. The second doe i killed I know the arrow deflected off a rib, but it deflected toward the heart and eventually passed through, she went about a 150 yards. I shot a buck last night, and I really don't think he was quartering as much as the final result showed, i really think it deflected again, but it didn't make it through the hide in the opposite shoulder. He didn't go far,only about 75 yards, but it was very difficult finding him. All three deer had tremendous damage, but I never had so much deflection with a broadhead. Just food for thought.