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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Ideal Bullets for .308 26" 1:12 twist Barrel
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<blockquote data-quote="MikeA" data-source="post: 457238" data-attributes="member: 29839"><p>Part of the reason for so much confusion over bullet weights and barrel twist is because it is not the bullet weight but rather the length that dictates what spin is required.</p><p></p><p>There is a historical correlation between heavier bullets and the length of bullet but new manufacturing techniques and methods are starting to skew this relationship.</p><p></p><p>Take for instance a 150gr traditionally manufactured .308 bullet and measure it alongside a 150gr solid brass bullet, a 150gr alloy HP and a 150gr steel core FMJ - all of them are very different beasts that behave very differently.</p><p></p><p>(sorry for the necro but no one had mentioned this aspect)</p></blockquote><p></p>
[QUOTE="MikeA, post: 457238, member: 29839"] Part of the reason for so much confusion over bullet weights and barrel twist is because it is not the bullet weight but rather the length that dictates what spin is required. There is a historical correlation between heavier bullets and the length of bullet but new manufacturing techniques and methods are starting to skew this relationship. Take for instance a 150gr traditionally manufactured .308 bullet and measure it alongside a 150gr solid brass bullet, a 150gr alloy HP and a 150gr steel core FMJ - all of them are very different beasts that behave very differently. (sorry for the necro but no one had mentioned this aspect) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Ideal Bullets for .308 26" 1:12 twist Barrel
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