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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7mm Berger 180 Hybrid twist rate help
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<blockquote data-quote="groper" data-source="post: 466410" data-attributes="member: 12550"><p>if you can find out/measure the bullet dimensions, you can work out the stability factor of the bullet from whatever barrel you have, here... <a href="http://www.jbmballistics.com/cgi-bin/jbmdrag-5.1.cgi" target="_blank">JBM - Calculations - Drag/Twist</a></p></blockquote><p></p>
[QUOTE="groper, post: 466410, member: 12550"] if you can find out/measure the bullet dimensions, you can work out the stability factor of the bullet from whatever barrel you have, here... [url=http://www.jbmballistics.com/cgi-bin/jbmdrag-5.1.cgi]JBM - Calculations - Drag/Twist[/url] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7mm Berger 180 Hybrid twist rate help
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