the 265 hornady 44cal groups areappox.2+in at 80yds.the spent sabot travels much father than 45cal. sabotalso sabot has thicker pedals than 45cal. maybe a hotter load would help this dont know yet..also have several different 300 grain 45 cal bullets including speer gold dot, hornady xtp mag 300 to try in knight elite will try to find something that works..