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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 RUM and 230 Hybrid Twist Rate
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<blockquote data-quote="Tumbleweed" data-source="post: 1685356" data-attributes="member: 9281"><p>Will a 10 twist provide sufficient accuracy? Often yes. Will the bullet be fully stabilised? At higher elevation maybe but not at lower elevations. There is a reason Bryan Litz recommends 9 twist or faster. Something too many don't factor in is the loss of b/c at slower than optimum twist rates. 9 twist guarantees at least advertised b/c but an 8 twist can actually improve b/c over advertised. Hornady has done extensive testing on this topic through live firing out to 2000+ yards tracked by Doppler radar. </p><p>Moral of the story, if I guy is going to build a rifle for heavy bullets why the hell would you not factor in at least minimum recommended twist or a little faster? Like I said, my next big .30 will be at least 8.5 twist, maybe 8 twist.</p></blockquote><p></p>
[QUOTE="Tumbleweed, post: 1685356, member: 9281"] Will a 10 twist provide sufficient accuracy? Often yes. Will the bullet be fully stabilised? At higher elevation maybe but not at lower elevations. There is a reason Bryan Litz recommends 9 twist or faster. Something too many don't factor in is the loss of b/c at slower than optimum twist rates. 9 twist guarantees at least advertised b/c but an 8 twist can actually improve b/c over advertised. Hornady has done extensive testing on this topic through live firing out to 2000+ yards tracked by Doppler radar. Moral of the story, if I guy is going to build a rifle for heavy bullets why the hell would you not factor in at least minimum recommended twist or a little faster? Like I said, my next big .30 will be at least 8.5 twist, maybe 8 twist. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 RUM and 230 Hybrid Twist Rate
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