03-16-2020, 02:01 PM
Bobke Wrote:Im still liking your 28.4 node, given a more consistent POI than 29.0. Would play around with distance to lands there-maybe go +/- .020 of your current setup in .005 steps and see where youre getting best groups. Shoot 3 round groups and determine optimum COAL based on ogival distance to lands, not bullet tip, to mitigate any variation in actual bullet OAL, though Scenars are pretty consistent.
All measurements have been done on the ogive. The Scenars are pretty consistent, but they do shift in length.
All rounds are measured after the bullet seating and the difference in BTO are kept within 0.02mm (~0.001").
Have not really decided yet if I should test a little more around the charge 28,4gr, maybe go down to 28,1gr and load up to 28,5gr in 0,1gr increments and shoot on target.
Or if I test different jump first.