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Runout refers to the bullet not being completely centered in the cartridge case, major culprits being crooked, out of round necks and poor bullet seating.
Great article, never thought about the case weight versus volume thing, and I think you're dead on with that, if I ever get that anal with my brass, I'll measure volume not weight.
I however don't think that the CCI primers not showing pressure signs is a good thing. They're just harder and don't show it, doesn't mean the pressure isn't there. I much prefer the federal primers for that reason, I can tell when I'm pushing max pressure when my primers start to flatten a bit, with the CCI's you might see extractor flow at almost the same time as those hard things start showin' you anything.
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