ONLY " MY" OPINION-stay with the Rocky Mountains_ I have bowhunted all types of Biggame & used many over the past 45 years. I have used them since they came out in the 70s BUT have tried others & when it comes time to head for the woods-I put a 125gr. Rocky Mountain Razor 3 Blade on. I took Elk, Whitetail, Fallow Deer,Axis deer & sevearal hogs(3 -150-250#) this past year. Excellent results thou my son did have 1 head damaged some on a HUGE BOAR. I have seen failure in almost any head-I have seen a few Muzzys end up looking like less than a field tip of a friend of mines-he has switched to another head. E-mail Barrie Archery & mention what happened-I am sure they will make it right. I know there are many excellent heads on the market but most are some type take off of some other head-Rocky " WAS" among the 1st with their type head & have only made it better. Good luck-don' t switch....