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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bullet rotation vs velocity
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<blockquote data-quote="davewilson" data-source="post: 221643" data-attributes="member: 4491"><p>BB, the spin has a lot to do with expansion of the bullet in the animal. it's the centrifugal force helping to bring a bullet apart after it's been compromized. it's why some bullets dust when they clear the barrel, because they can't take the centrifugal force. same thing happens when you hit something and the bullet starts to mushroom. once compromized, it expands much quicker. i've talked to several very experienced long range hunters and they go to faster than needed twist barrels for just this reason. they all said it was to get quicker, more reliable expansion.</p></blockquote><p></p>
[QUOTE="davewilson, post: 221643, member: 4491"] BB, the spin has a lot to do with expansion of the bullet in the animal. it's the centrifugal force helping to bring a bullet apart after it's been compromized. it's why some bullets dust when they clear the barrel, because they can't take the centrifugal force. same thing happens when you hit something and the bullet starts to mushroom. once compromized, it expands much quicker. i've talked to several very experienced long range hunters and they go to faster than needed twist barrels for just this reason. they all said it was to get quicker, more reliable expansion. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bullet rotation vs velocity
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