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Hunting
Long Range Hunting & Shooting
Barrel length and twist question
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<blockquote data-quote="BallisticsGuy" data-source="post: 1617776" data-attributes="member: 96226"><p>Yes it is. Excessive spin exacerbates any mass distribution inconsistencies in the bullet itself which causes group sizes to grow. In extreme cases bullets can come apart from the gyroscopic stresses induced by spinning too hard. There's just no need to twist something for the sake of twisting. It either is or is not stable darned near right out of the muzzle.</p><p></p><p>OP: A 12 twist is sufficient up to 180gr bullet from that rifle. Any faster twist only enables you to use heavier bullets if you happen decide you haven't had enough recoil for a lifetime.</p></blockquote><p></p>
[QUOTE="BallisticsGuy, post: 1617776, member: 96226"] Yes it is. Excessive spin exacerbates any mass distribution inconsistencies in the bullet itself which causes group sizes to grow. In extreme cases bullets can come apart from the gyroscopic stresses induced by spinning too hard. There's just no need to twist something for the sake of twisting. It either is or is not stable darned near right out of the muzzle. OP: A 12 twist is sufficient up to 180gr bullet from that rifle. Any faster twist only enables you to use heavier bullets if you happen decide you haven't had enough recoil for a lifetime. [/QUOTE]
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