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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="GaryJones" data-source="post: 64803" data-attributes="member: 3690"><p><strong>Re: Gain twist rifling - pro\'s and con\'s</strong></p><p></p><p>An exponential twist would work even better in a gain twist barrel where only part of the barrel is taperred. It would be a smooth transition into the portion of the barrel with the standard twist. You would choose your bullet weight the same as normal, only with a reduction in pressure. Moly coated bullets would help (reduce friction), as well as a longer barrel length (a milder twist rate gain could be utilized. ie. over a 24" portion, as opposed to a 18" portion).</p></blockquote><p></p>
[QUOTE="GaryJones, post: 64803, member: 3690"] [b]Re: Gain twist rifling - pro\'s and con\'s[/b] An exponential twist would work even better in a gain twist barrel where only part of the barrel is taperred. It would be a smooth transition into the portion of the barrel with the standard twist. You would choose your bullet weight the same as normal, only with a reduction in pressure. Moly coated bullets would help (reduce friction), as well as a longer barrel length (a milder twist rate gain could be utilized. ie. over a 24" portion, as opposed to a 18" portion). [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Gain twist rifling - pro's and con's
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