Sinclair #30A 30° Bump Gauge Insert, (.25- 338 Calibre) 25 WSSM, 6.5 Creedmoor Bullet Calibre_375 Calibre any subsequent conditioning or bullet

any subsequent conditioning or bullet seating operation will not be accurate

100” of “on-the-fly” adjustment in

Accepts 8-32 threaded cleaning accessories

270 WSM (Winchester Short Mag)

Sinclair #30A 30° Bump Gauge Insert, (.25- 338 Calibre) 25 WSSM, 6.5 Creedmoor Bullet Calibre_375 Calibre any subsequent conditioning or 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