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Long Range Hunting & Shooting
What barrel twist?
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<blockquote data-quote="Slick8" data-source="post: 1570832" data-attributes="member: 52585"><p>I think any of the fast 30's will work for your intended purpose and would use a 1:9 twist. I'm going with just such for a custom long throated 300wm for the 215's.</p><p></p><p>I think when you start looking at 220 and above you need to weigh the velocity loss with the BC gains. Realize that the additional BC only shows up past about 800 yards give or take.</p><p></p><p>If I wanted to shoot the 230's I'd look at a 300 RUM or Lapua based 30's. Not only to get that magical speed but to not run so hard you shorten your brass life. These big boys would also be a benefit if Berger ever releases the long rumored 245 30 cal.</p></blockquote><p></p>
[QUOTE="Slick8, post: 1570832, member: 52585"] I think any of the fast 30's will work for your intended purpose and would use a 1:9 twist. I'm going with just such for a custom long throated 300wm for the 215's. I think when you start looking at 220 and above you need to weigh the velocity loss with the BC gains. Realize that the additional BC only shows up past about 800 yards give or take. If I wanted to shoot the 230's I'd look at a 300 RUM or Lapua based 30's. Not only to get that magical speed but to not run so hard you shorten your brass life. These big boys would also be a benefit if Berger ever releases the long rumored 245 30 cal. [/QUOTE]
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What barrel twist?
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