Category: Sinclair International

Sinclair Concentricity Gauge: Overview, Neck Concentricity, Bullet Runout

One of the factors that’s critical for precision long-range shooting is correct alignment between the cartridge’s bullet, and the chamber/bore of the rifle. There are two key factors that contribute to bullet/bore alignment: case neck concentricity (along with case neck thickness consistency) and bullet runout. If the bullet is axially and radially aligned with the […]




Reloading Safety

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