Measuring Tools

The Sinclair Chamber Length Gauges are designed so the handloader can determine the true length of his rifle's chamber when measuring from the bolt...

The Sinclair Chamber Length Gauges are designed so the handloader can determine the true length of his rifle's chamber when measuring from the bolt...

This Sinclair Comparator is an excellent tool to use to sort bullets by base to give length. This is a valuable step if you are considering trimmin...

With all the different comparator and bump gauge inserts we offer, it is sometimes difficult to keep them straight and all in the same place. The S...

The Sinclair Concentricity Gauge is one of the easiest to use. Precision made for a lifetime of use, the Sinclair Concentricity Gauge will accept c...

The Sinclair Concentricity Gauge is one of the easiest to use. Precision made for a lifetime of use, the Sinclair Concentricity Gauge will accept c...

This Sinclair Comparator is an excellent tool to use to sort bullets by base to give length. This is a valuable step if you are considering trimmin...