I've used the 100gr Steel force for years but they won't shoot as well from my new bow...a bit too fast to stabilize it properly but love how it works at around 325fps. I had a complete pass thru on a 5 pt bull at 93 yds with my old BowTech Patriot and the Steel force but I shoot Muzzy 100gr 3 blades and 100gr Wac'em's with field point accuracy afrom my BowTech RPM 360. This past years bull was taken with a complete pass thru at 65 yds using the Wac'em. The tip folded a bit going through one of the ribs so I think from that standpoint the Muzzy is a tougher head. You can use either with devastating results but I will lean towards Muzzy's. I