Sinclair - Comparator Insert Size:22 cal Comes filled with nylon beads

Comes filled with nylon beads

Durable protective padding

Large Pistol:

Micrometer allows fine-tuning in either direction

45 ACP calibres

Sinclair - Comparator Insert Size:22 cal Comes filled with nylon beadsThe 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