Quote:
...Between a 7mm and a 7.62mm I'd be surprised if there is much difference. If they are both the same nose, like a FMJ, they would both enter at a point, just the other will split flesh .62mm wider, if you can tell through flesh...
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Whoops! 7mm = .284 inch. 7.62 =.308 inch. The difference is .024 inch. A sheet of paper is about .004 thick. .024/.004 = 6 thicknesses of paper. Wrap a piece of copy paper around a 7mm bullet three revolutions and see if it produces a "big" difference in diameter.