I'd Trust The Partion..I Run This One Through a 407 Pound Black Bear. Broke Both Shoulders. Never Seen One Die Quicker. He Never Made Sound. I Touched The Trigger And His Left Back Leg Switched Twice And He Was Dead.. 100 Gr Nosler Partion, Out Of 6.5-250AI. Shot Was At 31 Yds. 2889FPS.