Quote:
Originally Posted by Icelander
Ah, indeed. I suppose that happens, as 7.62x54R rounds are used for the same purpose.
Swaging it down sounds great.
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Unless your rifles already have tight bores, using .310" bullets in rifles intended for .310" bullets won't matter too much. Rifles intended for .308 have a nominal .300 bore (measured from land to land), so 2/1000ths of an inch extra won't be excessive in a modern weapon as long as the round isn't a really hot one.