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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Berger hybrid 30 cal. 215 hybrid for hunting
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<blockquote data-quote="Barrelnut" data-source="post: 1155496" data-attributes="member: 74902"><p>I'd go with the recommended 9 twist. Or step up to the 230 OTM witch is stable at 10.</p><p>Might just be my rifle, but I live at 212 feet. Temp mean is 59 and groups reflect the difference between the 210 and 215. They changed the recommendation for a reason. And being the pizz poor shot I am, I could see the difference before they made the change. Just saying...</p><p></p><p>Added twist does not affect speed as much as you might think.</p><p><a href="http://bulletin.accurateshooter.com/2015/02/does-barrel-twist-rate-affect-muzzle-velocity-litz-test/" target="_blank">Does Barrel Twist Rate Affect Muzzle Velocity? (Litz Test) « Daily Bulletin</a></p><p></p><p>Also just look at what twist Litz shoots the 215 at in a 308.</p><p><a href="http://bulletin.accurateshooter.com/2014/06/litz-dominates-his-first-ever-f-tr-match-with-pierce-built-rifle/" target="_blank">Litz Dominates His First-Ever F-TR Match with Pierce-Built Rifle « Daily Bulletin</a></p><p></p><p>I have learned to listen to Litz.</p></blockquote><p></p>
[QUOTE="Barrelnut, post: 1155496, member: 74902"] I'd go with the recommended 9 twist. Or step up to the 230 OTM witch is stable at 10. Might just be my rifle, but I live at 212 feet. Temp mean is 59 and groups reflect the difference between the 210 and 215. They changed the recommendation for a reason. And being the pizz poor shot I am, I could see the difference before they made the change. Just saying... Added twist does not affect speed as much as you might think. [url=http://bulletin.accurateshooter.com/2015/02/does-barrel-twist-rate-affect-muzzle-velocity-litz-test/]Does Barrel Twist Rate Affect Muzzle Velocity? (Litz Test) « Daily Bulletin[/url] Also just look at what twist Litz shoots the 215 at in a 308. [url=http://bulletin.accurateshooter.com/2014/06/litz-dominates-his-first-ever-f-tr-match-with-pierce-built-rifle/]Litz Dominates His First-Ever F-TR Match with Pierce-Built Rifle « Daily Bulletin[/url] I have learned to listen to Litz. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Berger hybrid 30 cal. 215 hybrid for hunting
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