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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 RUM and 230 Hybrid Twist Rate
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<blockquote data-quote="Tumbleweed" data-source="post: 772777" data-attributes="member: 9281"><p>Thanks for chiming in Kirby. I am having a reamer made with a very long but match diameter throat. With this and the long, canted rifling barrel my gunsmith feels that I should be in the 3200fps neighborhood. He has built many Rums with set up for the 230's as well. If it turns out it will do 3100-3150 that's just fine. I am not out to destroy brass and certainly not going to throw away any accuracy for top velocity. My main concern was just whether one would encounter a velocity decrease in a 9 twist compared to a 10 twist. From what I'm hearing it doesn't really sound like it.</p></blockquote><p></p>
[QUOTE="Tumbleweed, post: 772777, member: 9281"] Thanks for chiming in Kirby. I am having a reamer made with a very long but match diameter throat. With this and the long, canted rifling barrel my gunsmith feels that I should be in the 3200fps neighborhood. He has built many Rums with set up for the 230's as well. If it turns out it will do 3100-3150 that's just fine. I am not out to destroy brass and certainly not going to throw away any accuracy for top velocity. My main concern was just whether one would encounter a velocity decrease in a 9 twist compared to a 10 twist. From what I'm hearing it doesn't really sound like it. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 RUM and 230 Hybrid Twist Rate
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