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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Berger Twist Rate Stability Calculator (need help)
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<blockquote data-quote="Bill Norton" data-source="post: 2023691" data-attributes="member: 112377"><p>Hi all,</p><p>I'm about to order a new barrel for my Blaser R8 and I have decided on a 6.5-280ai. I have a few bullets in mind and I ran the calculations through the Berger Twist Rate Stability Calculator and it says a 1:7 is very stable. My question is the Berger calculator pretty accurate? Hornady says a MINIMUM of 1:8 is needed for the 143 ELD-X but the calculator says something different so I guess I'm confused... Thanks in advanced!</p><p></p><p>Hornady 143gr ELD-X</p><p>1:7</p><p>[ATTACH=full]225860[/ATTACH]</p><p></p><p>Hornady 143gr ELD-X</p><p>1:8</p><p>[ATTACH=full]225862[/ATTACH]</p><p></p><p>Berger 140 VLD</p><p>1:7</p><p>[ATTACH=full]225861[/ATTACH]</p><p></p><p>Berger 156 Elite Hunter 1:7</p><p>[ATTACH=full]225852[/ATTACH]</p></blockquote><p></p>
[QUOTE="Bill Norton, post: 2023691, member: 112377"] Hi all, I'm about to order a new barrel for my Blaser R8 and I have decided on a 6.5-280ai. I have a few bullets in mind and I ran the calculations through the Berger Twist Rate Stability Calculator and it says a 1:7 is very stable. My question is the Berger calculator pretty accurate? Hornady says a MINIMUM of 1:8 is needed for the 143 ELD-X but the calculator says something different so I guess I'm confused... Thanks in advanced! Hornady 143gr ELD-X 1:7 [ATTACH type="full" alt="Hornady 143 ELDx.JPG"]225860[/ATTACH] Hornady 143gr ELD-X 1:8 [ATTACH type="full" alt="Hornady 143 ELDx 1-8.JPG"]225862[/ATTACH] Berger 140 VLD 1:7 [ATTACH type="full" alt="Berger 140vld 1-7.JPG"]225861[/ATTACH] Berger 156 Elite Hunter 1:7 [ATTACH type="full" alt="Berger 156 Eilte.JPG"]225852[/ATTACH] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Berger Twist Rate Stability Calculator (need help)
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