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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Optimum Bullet weight for 1:10 twist
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<blockquote data-quote="J E Custom" data-source="post: 441060" data-attributes="member: 2736"><p>The 1 in 10 twist rate in .308 Dia Is an all round twist that will handel any bullet weight.</p><p></p><p>As stated in other post the over rotation problem only occurs at or arround 3700+ ft/sec</p><p>velocity and very few 30 cals will shoot them that fast.</p><p></p><p>If you go to a 1 in 12 it may only shoot 168s and down. 1 in 11 is liked by people that shoot </p><p>the lighter bullets (150- ).</p><p></p><p>A 1 in9 is recomended if you want to shoot 200+ grain bullets in something like a 308 because</p><p>velocity is very slow and the faster twist helps the bigger bullets stabilize.</p><p></p><p>So optimum velocity for a 1 in 10 twist with any bullet weight would be 2600 to 3400 ft/sec</p><p></p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 441060, member: 2736"] The 1 in 10 twist rate in .308 Dia Is an all round twist that will handel any bullet weight. As stated in other post the over rotation problem only occurs at or arround 3700+ ft/sec velocity and very few 30 cals will shoot them that fast. If you go to a 1 in 12 it may only shoot 168s and down. 1 in 11 is liked by people that shoot the lighter bullets (150- ). A 1 in9 is recomended if you want to shoot 200+ grain bullets in something like a 308 because velocity is very slow and the faster twist helps the bigger bullets stabilize. So optimum velocity for a 1 in 10 twist with any bullet weight would be 2600 to 3400 ft/sec J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Optimum Bullet weight for 1:10 twist
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