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157 Barrel Twist 1 in 10in Package Quantity 50/Box
Patented Shell Holder Platform
unprimed shortened case and then chambered into your rifle
878 Ballistic Coefficient G7
we built this bullet with a longer ogive
Sinclair #40A 40° Bump Gauge Insert, (25 to 338 Calibre) 257 Roberts Ackley Imp., 280 Rem Ackley Imp. Cartridge_45 Auto Rim 157 Barrel Twist 1 inSinclair 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
