Are you shooting the subs in newly loaded brass or were they shot first as supers?
I would recommend first fire forming by super then loading sub.
I also had a hard time with H110 and eventually moved to AA1680.
From your most recent post it's looking like an issue with thick necks.
Last edited by N310toN170; 10-29-2010 at 11:08 PM.
Reason: Added comment
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