Check out first post again.

I believe you never truly get
all the oil/cleaner residue out due to tooling marks, and any fire cracking. And the
main reason I shoot a minimum of 5 fouler's before engaging sighters at a match.
I truly believe you are right!

Well...if you have a fairly predictable cold bore, 1st shot, try hold over on that first shot shot. Problem solved, LOL!


IMR- 4166 that bugholes at 100.
+1 Really like that powder but cannot find any here!