Along with harmonics, the rate of twist also plays an extremely important role in what bullet weight each rifle likes. There is little variance in standard calibers, but this issue was what caused the 6mm Rem to fall far short of .243 sales and popularity. Generally speaking, faster rates of twist will shoot heavier bullets better (with respect to individual calibers).
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We hunt, not only because we want to, but because at our basest levels we must.
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