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[–] sauerquint 0 points 1 point (+1|-0) ago 

What does it do that an older cartridge, say .257 Roberts, won't do? There is always a newer caliber to chase but I question the reasoning.

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[–] you-dumbass [S] 0 points 1 point (+1|-0) ago 

Higher sectional density and ballistic coefficient with the same velocity and a heavier bullet