With irons I would have been lucky to hit the cardboard. Rost, I say your target shot with irons is more impressive than mine.
That rifle is about the funnest thing to shoot at longrange steel. I need to give it more attention.
My load is fairly mild, as I wanted a little less wear and tear on my brass. I believe that load produces 2950fps.
As far as comparing the 6 Creed, to the 6.5 Creed, not a terrible amount of difference....I'm just tooled up more for the 6. I have three rifles chambered for it, and another one on the way..