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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
barrel for 270 wsm or 270 SS build
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<blockquote data-quote="Longtooth32" data-source="post: 1156288" data-attributes="member: 89326"><p>I assume that you are at sea level?</p><p></p><p>At 2900fps, with that barrel, you get a SG of 1.4+. (are you able to get 2900fps? WSM) You will be able to push that bullet much faster with the Sherman…and the bullet will be much more stabile.</p><p></p><p>My 270 WBY, with a Benchmark 1-9 barrel, stabilizes that bullet (170 Berger) fine…</p><p></p><p>Use that barrel and have fun…while another barrel is on order...</p><p></p><p></p><p>Use this...<a href="http://www.bergerbullets.com/twist-rate-calculator/" target="_blank">Twist Rate Stability Calculator | Berger Bullets</a></p><p></p><p>ETA: this bullet (Berger) is about 1.49" long and has a G7 of .336@3000-2500fps</p><p></p><p>What is going to be the finished length of your current Benchmark barrel? Mine is 28"</p></blockquote><p></p>
[QUOTE="Longtooth32, post: 1156288, member: 89326"] I assume that you are at sea level? At 2900fps, with that barrel, you get a SG of 1.4+. (are you able to get 2900fps? WSM) You will be able to push that bullet much faster with the Sherman…and the bullet will be much more stabile. My 270 WBY, with a Benchmark 1-9 barrel, stabilizes that bullet (170 Berger) fine… Use that barrel and have fun…while another barrel is on order... Use this...[url=http://www.bergerbullets.com/twist-rate-calculator/]Twist Rate Stability Calculator | Berger Bullets[/url] ETA: this bullet (Berger) is about 1.49" long and has a G7 of .336@3000-2500fps What is going to be the finished length of your current Benchmark barrel? Mine is 28" [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
barrel for 270 wsm or 270 SS build
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