I'm loading for a .30-06
using Hodgdon H4350 165gr bullets, trimmed cases, Win primers
Looking at the Hodgdon website it states:
Starting load at 53.0, max load 59.0
Looking at a American reloading forum the best recipe was 57.5 and a number of people agreed with that finding.
I loaded this recipe and found I was flatning the primer. I tried 56grns of powder and it did the same but to a lesser extent. Tomorrow I'm going to start at the lowest and work my way up.
Why is this happening when I've followed all the guidelines. Have I got to much tension around the neck of the round? Using the kinetic hammer doesn't show any real marks of over tightning.
Your thoughts please.