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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bullet RPM and performance
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<blockquote data-quote="nralifer" data-source="post: 2525575" data-attributes="member: 94556"><p>Remember, the RPMs achieved with any bullet is not only a function of barrel twist, but also the MV. So with a tight twist barrel, you will need to slow the lead core bullet down some if you see jacket separation issues at high speed. Also be aware the fast lead core bullets can fail miserably and hardly penetrate at all at high impacts speeds at short range. Especially true of the high BC lead core bullets. Best to keep the MV of lead cores between 2800-2900 fps</p></blockquote><p></p>
[QUOTE="nralifer, post: 2525575, member: 94556"] Remember, the RPMs achieved with any bullet is not only a function of barrel twist, but also the MV. So with a tight twist barrel, you will need to slow the lead core bullet down some if you see jacket separation issues at high speed. Also be aware the fast lead core bullets can fail miserably and hardly penetrate at all at high impacts speeds at short range. Especially true of the high BC lead core bullets. Best to keep the MV of lead cores between 2800-2900 fps [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bullet RPM and performance
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