Thank youOk I should have said I see some comments that make me cry at how absurd they are.
Looking at his 1st charge test the1st group shows the same horizontal string as does his final bushing confirmation test... my belief is its shooter induced and we've discussed his table Manners.
The other observation is
Seating and last charge weight test were shot in the morning during great conditions. Initial charge weight and and final bushing test were shot in the afternoon with less than desirable conditions with no flags, add in the additional mirage from can "no blanket" sheds a little light on his groups.
We'll finish off this pound of N565 for range ammo.
Talking with Zack has shed a lot of light on this cartridge, basically a short fat cartridge.
Zack posed the question to me...
If you have a short fat cartridge like say a PPC or 6br would you go with a slower powder or faster??
Faster of course!!
In order for me to teach/mentor I need him to work through the process of his decisions and discuss the outcome afterwards.
Now looking at the 6.5-7 prc that is successful in Fopen a lot of shooters are running N555 with great results.
Lapua brass and H4350 are on the table to see what we can do to get some precision out of this setup.