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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Gain twist rifling - pro's and con's
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<blockquote data-quote="Richard338" data-source="post: 64801" data-attributes="member: 1537"><p><strong>Re: Gain twist rifling - pro\'s and con\'s</strong></p><p></p><p>I was thinking about gain twist rifling for my .338 LM. The problem is not whether the idea is good or not, but whether any of the top barrel makers do it. </p><p>The best known barrel maker who does it is Lothar Walther. Their rep told me I would have to order 5-6 barrels for them to do a production run.</p><p>To my knowledge, in big guns (155mm), the gain in twist usually follows an exponential.</p><p>I don't think you would want a linear gain in twist followed by a length of constant twist as you described.</p><p>The other thing is that you would want to design a specific bullet that you intend to use and then build it specifically for that.</p><p>If you don't get it right the first time, just order another 5-6 barrels...</p></blockquote><p></p>
[QUOTE="Richard338, post: 64801, member: 1537"] [b]Re: Gain twist rifling - pro\'s and con\'s[/b] I was thinking about gain twist rifling for my .338 LM. The problem is not whether the idea is good or not, but whether any of the top barrel makers do it. The best known barrel maker who does it is Lothar Walther. Their rep told me I would have to order 5-6 barrels for them to do a production run. To my knowledge, in big guns (155mm), the gain in twist usually follows an exponential. I don't think you would want a linear gain in twist followed by a length of constant twist as you described. The other thing is that you would want to design a specific bullet that you intend to use and then build it specifically for that. If you don't get it right the first time, just order another 5-6 barrels... [/QUOTE]
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Gain twist rifling - pro's and con's
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