In this video we discuss why you might want a Concentricity Gauge and compare and demonstrate the Hornady Concentricity Gauge, the RCBS Case Master Gauging Tool, and Sinclair Concentricity Gauge. Bolt Action ReloadingJust a guy at his reloading bench. I primarily focus on long range reloading.

Loading 3 different bullet loads, using FIVE different powders AND 2 different seating dies!!! What could go wrong??? Also testing concentricity of cases and bullets. Jerry 19112A On A Budget

In this video we compare the performance that we get with the Sinclair priming tool to our standard process and try to see how much our primer seating process affects statistics and group size.

Short video showing tools and dies used when we reload 6.5 Creedmoor.

HOW TO USE A SINCLAIR CONCENTRICITY GAUGE Quest for the perfect load