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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Too much twist?
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<blockquote data-quote="Mikecr" data-source="post: 322956" data-attributes="member: 1521"><p>Some math I use predicts V-Max failure at >3400fps in 8tw.</p><p>But QuickLoad implies to me that you will not reach this MV with safe pressures with a 6xc/28" barrel(I have one myself).</p><p></p><p>Whatever causing 'keyholes' at 500yds was not stability. Unstable bullets don't make it 50yds. Overstable bullets are pure myth, as all bullets go off scale gyroscopically stable down range, due to velocity dropping with very little spin loss.</p><p>So if the myth were truth, all bullets would keyhole down range.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 322956, member: 1521"] Some math I use predicts V-Max failure at >3400fps in 8tw. But QuickLoad implies to me that you will not reach this MV with safe pressures with a 6xc/28" barrel(I have one myself). Whatever causing 'keyholes' at 500yds was not stability. Unstable bullets don't make it 50yds. Overstable bullets are pure myth, as all bullets go off scale gyroscopically stable down range, due to velocity dropping with very little spin loss. So if the myth were truth, all bullets would keyhole down range. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Too much twist?
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