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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Potential downsides to fast twist barrel?
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<blockquote data-quote="Jon Bischof" data-source="post: 1841255" data-attributes="member: 879"><p>It becomes a trade-off between the durability of the bullet in flight and the amount of expansion after impact. I guess if we ran everything above 300,000 rpm's, it would eliminate a lot of bullet construction choices because it would spin the jackets off of many older designs. Plus I think the gyroscopic effect of super fast spins really does affect the flight characteristics. It has to; centrifugal force is a real thing, so it puts a disrupting force upon the bullet as it drops.</p></blockquote><p></p>
[QUOTE="Jon Bischof, post: 1841255, member: 879"] It becomes a trade-off between the durability of the bullet in flight and the amount of expansion after impact. I guess if we ran everything above 300,000 rpm's, it would eliminate a lot of bullet construction choices because it would spin the jackets off of many older designs. Plus I think the gyroscopic effect of super fast spins really does affect the flight characteristics. It has to; centrifugal force is a real thing, so it puts a disrupting force upon the bullet as it drops. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Potential downsides to fast twist barrel?
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