Not the most accurate method but works for me. I first measure the length from bolt face to muzzle on a closed action with a cleaning rod. Then I pop a projectile down the chamber until it sits just on the lands and re-measure from tip of projectile to muzzle. The difference between the two measurements is my max OAL. I can find the ogive by using one of those comparator nuts from Sinclairs.
I never had much success with SSTs due to having to have a large jump due to a long throat and magazine length restrictions.
Had a lot of success with 165 HPBT Gamekings in the 30-06.
Yet to see how the 200gr ELDXs go.
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