Sinclair - Comparator Insert Size:17 cal On the other hand

On the other hand

This also makes it far safer for use with black powder

The Forster Bench Rest® Bushing Bump Sizing Die brings you an advanced level of precision by allowing you to precisely control the amount of bullet tension in your reloaded cartridges

The Hornady Match Grade Bushing is required for use with the Hornady Neck Sizing die

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Sinclair - Comparator Insert Size:17 cal On the other handThe Sinclair Bullet Comparator inserts are meant to be used with the Sinclair Bullet Comparator and Bump Gage Body. These inserts are stainless steel and machined with a taper and a short straight section to more accurately duplicate the chamber throat. This eliminates the wobble experienced with many comparators which have standard drilled holes. Our design allows you to quickly and accurately measure and compare bullet ogive to base as well as