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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Please critique my build plan for .300WSM
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<blockquote data-quote="FEENIX" data-source="post: 1283954" data-attributes="member: 14204"><p>If you stick with 180 and lighter you might be OK. However, you might be missing out on your rifle build's potential. Berger changed their recommended twist rate for 215 from 1:10" to 1:9" to optimized the SG and BC. </p><p></p><p><u><a href="http://bulletin.accurateshooter.com/2015/10/berger-updates-bullet-bc-data-and-recommended-twist-rates/" target="_blank">http://bulletin.accurateshooter.com/2015/10/berger-updates-bullet-bc-data-and-recommended-twist-rates/</a></u></p><p></p><p>And for that reason, I went with 1:9" on my latest custom build (.30 Lara - basically a .300 Jarrett improved with 27" Lilja 1:9" 3G .830" at the muzzle) since it's going to primarily propel the Berger 215s/230s and Hornady 212s/220s/225s.</p><p></p><p>Furthermore, bullet manufacturer's like Hammer Bullets are recommending 1:8" twist on their 227s >>> <a href="https://hammerbullets.com/product/308-cal-227g-hammer-hunter/" target="_blank">https://hammerbullets.com/product/308-cal-227g-hammer-hunter/</a></p><p></p><p>The ultimate decision is yours but like I said, IIWY, I'd go with 1:9" . Good luck on your build.</p><p></p><p>Cheers!</p><p></p><p>Ed</p></blockquote><p></p>
[QUOTE="FEENIX, post: 1283954, member: 14204"] If you stick with 180 and lighter you might be OK. However, you might be missing out on your rifle build's potential. Berger changed their recommended twist rate for 215 from 1:10" to 1:9" to optimized the SG and BC. [U][URL]http://bulletin.accurateshooter.com/2015/10/berger-updates-bullet-bc-data-and-recommended-twist-rates/[/URL][/U] And for that reason, I went with 1:9" on my latest custom build (.30 Lara - basically a .300 Jarrett improved with 27" Lilja 1:9" 3G .830" at the muzzle) since it's going to primarily propel the Berger 215s/230s and Hornady 212s/220s/225s. Furthermore, bullet manufacturer's like Hammer Bullets are recommending 1:8" twist on their 227s >>> [url]https://hammerbullets.com/product/308-cal-227g-hammer-hunter/[/url] The ultimate decision is yours but like I said, IIWY, I'd go with 1:9" . Good luck on your build. Cheers! Ed [/QUOTE]
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Please critique my build plan for .300WSM
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