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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Barrel twist
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<blockquote data-quote="Tim Behle" data-source="post: 22463" data-attributes="member: 523"><p>Chris,</p><p></p><p>What formula do you use to determine your first number ( 180 or 150 ) versus Velocity?</p><p></p><p>I was thinking that with the formula you gave, I might be able to reverse it when working up new loads. With a known twist, it might help me look for a specific window of velocity for best bullet performance. But I can't find how your beginning numbers relate to the bullets speed.</p></blockquote><p></p>
[QUOTE="Tim Behle, post: 22463, member: 523"] Chris, What formula do you use to determine your first number ( 180 or 150 ) versus Velocity? I was thinking that with the formula you gave, I might be able to reverse it when working up new loads. With a known twist, it might help me look for a specific window of velocity for best bullet performance. But I can't find how your beginning numbers relate to the bullets speed. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Barrel twist
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