Sinclair #30A 30° Bump Gauge Insert, (.25- 338 Calibre) 25 WSSM, 6.5 Creedmoor Bullet Calibre_375 Calibre 204 Bullet Weight 40gr Bullet

204 Bullet Weight 40gr Bullet Style V-MAX BT Ballistic Coefficient 0

This is a valuable step if you are considering trimming the bullet meplat

Taper Crimp Adjust Screw

62x53R case

100” of “on-the-fly” adjustment in

Sinclair #30A 30° Bump Gauge Insert, (.25- 338 Calibre) 25 WSSM, 6.5 Creedmoor Bullet Calibre_375 Calibre 204 Bullet Weight 40gr BulletSinclair Bump Gage Inserts are used to measure the amount of shoulder bump when setting up full length sizing dies. These Bump Gauges install in either of the Sinclair or Hornady comparator bodies and are machined to fit particular shoulder angles of cartridges. Rather than measuring to the datum line, these gauges indicate off of the shoulder of the case to get a better, more easily assessable measurement of how much you are actually sizing your