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338 Sectional Density 0
shotguns and handguns
Its thin precision jacket features internal fluting to ensure complete bullet disruption
173 Sectional Density 0
372 Sectional Density 0
Sinclair #40 40° Bump Gauge Insert, (Up to 6MM) Ackley Improved 40° Cartridge_340 Weatherby Magnum 338 Sectional Density 0Sinclair 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
