I have 260 Rem heavy target rifle and at present building a 6mm Dasher. The Dasher takes more effort and tools to load as compared to the 260 and Creedmore but burns ~25% less powder for about the same results along with less recoil. A few people I shoot with (1000yd) use the 6mmBR to great effect so don't over look that one if your not into dealing with a wildcat.
