heavy bull barrel 1 in 9 twist Mc Gowin barrel same load same bullet
same primer same brass same oal same rifle action.....What once
was like a 1 3/8 group 10 shots at 250 yards is now a 3 to 4 inch
group...Will different lot of the same brand of powder (varget)
make that much of a difference? Have never had this happen be for now..
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