Reloading Guides: How-To Articles and Explainers

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.

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.

How to measure shoulder bump with a datum comparator, why your own chamber sets the number, and how to keep sizing repeatable.

Primer seating depth drives ignition consistency. How to seat below flush, read the pocket, and log it so velocity spread stays tight.