Quote:
Originally Posted by Roadkill2228
I must be missing something then. Wouldn’t it be the case that if The bullet is not perfectly concentric/uniform then its center of mass wouldn’t be perfectly, well, centred?
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Yes. Very few of a given lot are perfect in that regard. Which is why 100 yard benchrest 5-shot group records are well under 1/10th inch but several groups average for aggregate records is much larger with the biggest group near 3 times larger. All the hundreds of other groups average bigger.
Some have spun bullets several thousand rpm checking balance. Perfect ones shoot most accurate.