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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How to choose new barrel chamber specs.
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<blockquote data-quote="MagnumManiac" data-source="post: 2137016" data-attributes="member: 10755"><p>There are several options, the easier of the many is to go SAAMI which is long enough in the throat for the majority of the VLD type bullets 215gr and less.</p><p>The other option is the A191 chamber which has a throat already set-up for the 230gr Berger. It is also held back so the case only grows .010" instead of .020" in the shoulder.</p><p>If you run a 9" twist, you could use the245-250gr bullets, but speed in the WM will be an issue.</p><p>I limit my own to 230's as max. Even then the speed is not great and the 210/215 class bullets shoot flatter. I also only run 10" twists.</p><p></p><p>Cheers.</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 2137016, member: 10755"] There are several options, the easier of the many is to go SAAMI which is long enough in the throat for the majority of the VLD type bullets 215gr and less. The other option is the A191 chamber which has a throat already set-up for the 230gr Berger. It is also held back so the case only grows .010” instead of .020” in the shoulder. If you run a 9” twist, you could use the245-250gr bullets, but speed in the WM will be an issue. I limit my own to 230’s as max. Even then the speed is not great and the 210/215 class bullets shoot flatter. I also only run 10” twists. Cheers. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How to choose new barrel chamber specs.
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