Have you tried James Oliver? I just learned that my favorite sipping Rye Ghost Owl is actually the very same whiskey only its aged in a old wine barrel giving it a smooth mellow flavor which a hint of sweetness.
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In conversation with a another member we were discussing how much .0015" is/isn't when sizing brass to get a proper smooth bolt close. I don't see where I could shoot the difference in some mynute amount of ejector preasure disrupting my accuracy.
On the other hand, I could almost wrap my head around light neck tension with a jammed bullet getting hammered home into battery where it could be possibly be harming accuracy, but to what degree.
Like I said before, I don't know that I could shoot the difference unless its whiskey.