Category: Brownells

Re-Barrel at 300? Diagnosing a HOWA 1500 6mm Creedmoor That Won’t Shoot

If you’ve been shooting rifles for a long time, no doubt you’ve said to yourself at one point: “I can’t figure out why this rifle won’t shoot!!!”. This story documents “one of those times” for me. I recently got a HOWA 1500 heavy barreled action in 6mm Creedmoor from Brownells, and built up a pretty […]

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 […]

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