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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Next Sin Cartridge?
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<blockquote data-quote="diriel" data-source="post: 527456" data-attributes="member: 26983"><p>Man I hope I don't Step Right Off INNIT.... </p><p></p><p>Part of a bullet staying together is Jacket Deformation, and what / how the Rifling affects the bullet jacket. Over on one of the Bench Rest sites there was a long discussion with a lot of documented experimentation about this topic. I can not find that link right at the moment, but if you google it you may find it.</p><p></p><p>Basically, it was Kinda More or Less Agreed that a 6 groove or more barrel will *Usually* be more "Kind" to the bullet jacket, and thus allow more speed, and a higher Bullet RPM. 2 and 3 groove barrels tended to really hammer the jacket. The 4 groove barrels seemed to do a little better, some of the 5 groove I think did fairly well, but 6 groove barrels tended to allow for the highest velocity / bullet RPM. In fact Dan Lilja was actually part of that experiment, he supplied numerous barrels for testing, now that I think about it. If any of you know Dan, I am sure he can shed some light on this subject.</p><p></p><p>Okaay....</p><p>Peace Out!</p><p>Gary</p></blockquote><p></p>
[QUOTE="diriel, post: 527456, member: 26983"] Man I hope I don't Step Right Off INNIT.... Part of a bullet staying together is Jacket Deformation, and what / how the Rifling affects the bullet jacket. Over on one of the Bench Rest sites there was a long discussion with a lot of documented experimentation about this topic. I can not find that link right at the moment, but if you google it you may find it. Basically, it was Kinda More or Less Agreed that a 6 groove or more barrel will *Usually* be more "Kind" to the bullet jacket, and thus allow more speed, and a higher Bullet RPM. 2 and 3 groove barrels tended to really hammer the jacket. The 4 groove barrels seemed to do a little better, some of the 5 groove I think did fairly well, but 6 groove barrels tended to allow for the highest velocity / bullet RPM. In fact Dan Lilja was actually part of that experiment, he supplied numerous barrels for testing, now that I think about it. If any of you know Dan, I am sure he can shed some light on this subject. Okaay.... Peace Out! Gary [/QUOTE]
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Next Sin Cartridge?
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