I have 2 .45cal Disc Extremes and I shoot the Harvester Blue Crush Rib Sabot and the Hornady .40cal 10mm 200gr XTP with 80gr of loose 2fg 777 and I can tell you that I am getting .5" & .75" shot groups at 80yds with this load never hunted with it yet but can't waite I have seen deer shot with the 200gr XTP out of .50 cal and the damage was AWSOME looking.

Ron