Can anyone offer up a valid reason for the velocity variance of given loads.?? Before I left for my medical thing at one point, I did some testing. Five shot test showed 21.2 variance in the selected loads. All things being equal, what would cause this. These hand gun loads were carefully crafted one at a time. Just something I have been thinking about aas I have very little else to think about these days. Sure will be glad to get home next week. Thanks for your input.