I haven't found anything, including PRB, that I would judge to not be an effective deer round out of my Huntsman. I use 90gr 777, and .295 cj
powerbelt = 5 shots 5 deer, no run!!! This is just a deer rifle, and for me it's always about shot placement (in the cleft behind shoulder). I could care less what bullet I use... Powerbelts just happened to be the first thing I picked up when I knew doodly squat about muzzleloading. I find they are the most accurate on paper, but it still is all about acceptable deer accuracy for me. I would have no problem when my supply of powerbelts exhausts, to hunt with .70gr 777, .015 pillow ticking, and Hornady roundball.... $4.99 on sale per 100!!!!