Has anybody noticed a correlation between their most accurate hand loads, and having low standard deviations for velocity? It clicked for me when reading my Lyman manual, and their reasoning for highlighting loads with accuracy potential based on consistency in velocity.
I haven't compiled to my targets yet, but some of my hand loads are around 10fps deviation in my g19, and I have three in the 7fps deviation for my 226 a both of which occur at opposite ends of the spectrum for both guns.