My Buddy got a Triumph and we sighted it in this year, since he got a sample pack of TC Shockwaves (250gr yellow tip) this is what we used to sight it in, he also got a 30 pack of them from Wal-Mart.
His Triumph was sighted in perfect, 1"groups at 100yds, yet 2 Deer he hit just had some hair and no blood. We followed the tracks in the snow forever untill we were certain the deer was'nt going to bed or die, right away anyway. He is a great shot and the distances were both around 50-60yds. His third deer was the same but we had a few very small specks and that was it, followed it forever again and no deer.
I also am no Fan of (Pointy) Bullets, they do shoot nice at the range but when it comes to devestation they fall short. My Opinion is they either blow through the animal with such a small hole it plugs up with fat or matter, or they dont exit and the same happens.
Try some Barnes Expanders or XTP's you wont have this.
(BP)