Sharing my observations from using this propellant powder to handload ammunition for semi-auto pistols and revolvers.
This is my favorite for 40 S&W, 38 Special and 44 Special target loads. I find it most accurate compared to other powders I've used for these calibers. It is great from starting loads up to max. Another benefit I find using it in revolvers is that there is very seldom any left over flakes to interfere with reloads during competition. It also has a low extreme spread when chronographed compared to other powders I have tried in these calibers. It meters very nice through my Dillon powder measure.
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