Hevi X-Sturt is a tungsten based turkey load that offers higher energy on the target due to paypload that is heavier than lead. The No6 tungsten pellets are layered over heavier than steel No5 tungsten pellets plus give a higher launch speed, made possible by the strength of the tungsten pellets. Shot density is Tungsten 12.0 g/cc layered over 75% Heavi-X 10.1 g/cc.