HORNADY BULLETS 41 CAL .410HORNADY BULLETS 41 CAL . 410210GR XTP 100CT 15BX CSFEATURES: Caliber Type41 Cal. XTP Diameter . 410" Weight210 gr. Ballistic Coefficient . 182 Sectional Density . 178 Precise serrations divide the XTP into symmetrical sections. Total uniformity of core density ensures balanced expansion as well as in flight stability. Expansion is controlled by varying jacket thickness down the length of the XTP. On revolver bullets, the cannelure helps achieve