Jeff I bought some of the 125gr heads when I was thinking about adding weight up front. I've tinkered with shooting them from the Marquis and the longbow. With the Marquis I'm using Beman MFX 340s. The bow is at 63# and they fly like lazers. They also do very well on a number of different shafts from the longbow. Wood, aluminum, or carbon. Alas,[

], I can't yet report on penetration or bloodtrails. They are scary sharp out of the package and stay that way even after numerous shots into a Morrell's block. They will be in both quivers next year.