Author: loadnode
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Mean Radius vs Group Size: A Better Accuracy Metric
Mean radius vs group size: why extreme spread is noisy, how mean radius uses every shot for a more honest accuracy measure, plus CEP, and when to use each.
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Seating Depth and Jump: A Practical Guide to CBTO
Seating depth and jump explained: what CBTO is, how to find where your bullet touches the lands, how to run a seating-depth test, and the pressure-safety rules.
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How to Read a Target: Vertical vs Horizontal Stringing
How to read a target: what vertical vs horizontal stringing tells you about your load and technique, the most common causes, and how to fix each one.
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What Is a Good SD for Reloading?
What is a good SD for reloading? What standard deviation and extreme spread mean, the fps numbers to aim for, why sample size matters, and when SD actually affects accuracy.
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Ladder Test vs OCW: The Honest Statistical Verdict
Ladder test vs OCW: what each really measures, why small samples fool both, and how to log either one honestly without crowning a winner.
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How to Find a Velocity Node: The Honest Truth About Ladders
How to find a velocity node, and the honest math showing why a 3 to 5 shot ladder cannot tell a real node from luck. What to log instead.
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How to Measure Group Size in MOA (and MIL)
Learn how to measure group size in MOA (and MIL): the center-to-center method, the exact formulas, worked examples, common mistakes, and the fast photo way.