I just purchased a knight 52 cal. disc extreme. I knew bullet selection was limitedbefore I bought it.The 375 grain knight redhot is adequate as far as hunting accuracy, but I would like to play around with some different bullet/powder combinations to see what kind of accuracy I can get. Any suggestions? Also, has anyone heard of or tried a double sabot using some of the polymer tipped bullets offered for the 50 cal. I shot the double sabot dead center's in my previous 50 cal. with good success.