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CEP Shooting: The Smart Way to Grade Your Groups

CEP shooting explained: R50, R95, and why pooling small groups beats grading a rifle by its two widest shots. Honest, simple statistics.

What to record in a reloading log: a field-by-field checklist, from component lots and brass history to every shot and every group.

How often to clean a rifle barrel? No universal round count. Carbon vs copper, fouling shots, and building an interval from your data.

Suppressor POI shift explained: why a can moves your impacts, how to measure it fairly, and why suppressed and bare data stay apart.

Powder lot variation can shift velocity at an unchanged recipe. How to spot it in your records, and why a new lot must be treated as new.

Barrel tuner testing done right: one load, stepped tuner positions, enough shots per step, and how to tell a real effect from noise.

How to reduce SD without touching your recipe: nine process fixes, from scale checks and brass sorting to measuring SD honestly.

Radar vs optical chronograph: how each measures velocity, how each fails on the line, and which one suits the way you shoot and load.

Factory ammo vs handloads, tested fairly: same rifle, same day, interleaved strings, enough shots, and the true cost per round of each.

Athlon Rangecraft Velocity Pro setup guide: radar placement, session settings, pairing with LoadNode, live shots and syncing stored sessions.