Reloading
N140 leads these 28 groups
28 groups from Oct 13 to Nov 7, 2026. N140 had the lowest averages. N133 was the highest. IMR 8208, CFE 223, and Varget overlap.
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Articles
Notes on using AI for range practice and reloading. Samples are marked on the card.
Range practice
Shot 1 runs about 36 fps faster
21 chronograph strings from Oct 19, Oct 20, and Nov 7, 2026. Shot 1 averaged about 36 fps faster than the later shots in the same string.
Range practice
Nov 7 groups at 100 yards
Seven groups and 33 shots at 100 yards on Nov 7, 2026, in gusty wind. The tightest stated group is 0.40 inches. A single group is mostly noise.
Reloading
A fast first shot inflates velocity SD
The same 21 strings, with shot 1 kept in and taken out. Removing shot 1 lowers the within-string velocity SD for every powder listed.
ReloadingSample
Reloading notes, without recipes
A sample boundary: this site will not publish load data or AI-generated recipes.
Range practiceSample
A careful way to use AI for range notes
Sample notes on using AI to organize your own observations, without treating it as a coach.
Site notesSample
What this site is for
A sample page explaining what ShootersProof will cover, and what it will leave out.