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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bartlein gain twist barrel
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<blockquote data-quote="lynxpilot" data-source="post: 1087256" data-attributes="member: 23349"><p>Firstly, I claim no expertise, but putting my engineering hat on and looking at the bottom line, it's counter-intuitive to me. I'm assuming the rate of twist increases as the bullet progresses and that's where I have a problem. Point being that toward the end of the barrel, as the threads of the screw start getting tighter the velocity is nearing it's maximum. That to me says that it would be more likely to have more dig into the jacket. Additionally, the angle of the rifling is changing as the bullet moves down the barrel so the gouge from the rifling will be sloppier.</p><p> </p><p>As stated before, jury's still out.</p></blockquote><p></p>
[QUOTE="lynxpilot, post: 1087256, member: 23349"] Firstly, I claim no expertise, but putting my engineering hat on and looking at the bottom line, it's counter-intuitive to me. I'm assuming the rate of twist increases as the bullet progresses and that's where I have a problem. Point being that toward the end of the barrel, as the threads of the screw start getting tighter the velocity is nearing it's maximum. That to me says that it would be more likely to have more dig into the jacket. Additionally, the angle of the rifling is changing as the bullet moves down the barrel so the gouge from the rifling will be sloppier. As stated before, jury's still out. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Bartlein gain twist barrel
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