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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Fast Twist 270 Win vs. 6.8 Western
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<blockquote data-quote="yorke-1" data-source="post: 2089426" data-attributes="member: 11960"><p>I can be confident because both the theoretical and anecdotal data back it up. In your first hand experience, under what circumstances will an 8-10% increase in useable case capacity result in a net loss of performance when cases of moderate capacity are loaded to comparable specs? Can a 7mm SAUM out run a 280 Rem when both are shot with optimized loads at the same pressures in equivalent barrels? How about a 6.5 SAUM and a 6.5-06? How about the 6mm Dasher and a 243 Win?Those are very similar comparisons to make and based on my personal experience with those cases, capacity wins every time in a fair comparison. </p><p></p><p>The other side of that is the 300 Win compared to the 300 PRC and 30 Nosler. When they're all loaded to the same specs with optimized loads, there isn't a meaningful difference between them. Broz did a lot of hands on work with those cases and came to the same conclusion. </p><p></p><p>There is a point when additional case capacity won't give a meaningful increase in performance just because you hit the limits of modern powder. That's why cases like the 338 XC and 338 Enablr are able to keep up with the 338 SnipeTac. I've experienced that first hand when working with both the SnipeTac and the XC. That's an extreme example though where even the slowest powders available are too fast for a case of that size when using heavy bullets.</p></blockquote><p></p>
[QUOTE="yorke-1, post: 2089426, member: 11960"] I can be confident because both the theoretical and anecdotal data back it up. In your first hand experience, under what circumstances will an 8-10% increase in useable case capacity result in a net loss of performance when cases of moderate capacity are loaded to comparable specs? Can a 7mm SAUM out run a 280 Rem when both are shot with optimized loads at the same pressures in equivalent barrels? How about a 6.5 SAUM and a 6.5-06? How about the 6mm Dasher and a 243 Win?Those are very similar comparisons to make and based on my personal experience with those cases, capacity wins every time in a fair comparison. The other side of that is the 300 Win compared to the 300 PRC and 30 Nosler. When they’re all loaded to the same specs with optimized loads, there isn’t a meaningful difference between them. Broz did a lot of hands on work with those cases and came to the same conclusion. There is a point when additional case capacity won’t give a meaningful increase in performance just because you hit the limits of modern powder. That’s why cases like the 338 XC and 338 Enablr are able to keep up with the 338 SnipeTac. I’ve experienced that first hand when working with both the SnipeTac and the XC. That’s an extreme example though where even the slowest powders available are too fast for a case of that size when using heavy bullets. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Fast Twist 270 Win vs. 6.8 Western
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