We did not obtain this powder to be as precise as its sister powder, WInchester Autocomp. This is often with a CZ P10c four" barrel with typical sights @ five yards. I used to be loading them with WSF powder beneath the FMJ load data on the hodgdon web page. https://waylonhqntr.blogvivi.com/27039712/little-known-facts-about-hodgdon-cfe