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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Overbore Index Chart & 26 Nosler
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<blockquote data-quote="Mikecr" data-source="post: 1006992" data-attributes="member: 1521"><p>+1 Greyfox</p><p>The reason 'accurate barrel life' is generally established from competitors is because they're in the best position to detect loss of accuracy. Hunters don't MEASURE enough shots to see passing peak accuracy -with precision.</p><p>And then there are many(most) in both competition and hunting who never reached peak accuracy to begin. So they won't detect passing accuracy peak with any precision either.</p><p></p><p>For example, a poll at BR Central overwhelmingly concluded that accurate barrel life from a 6PPC in competitive use was ~900rnds (10sec shot rate being a big contributor to this).</p><p>Now, even at a 30sec shot rate, where a competitively loaded 6PPC could last ~2700rnds before departing 1s-low 2s, it would still take a while before it was so bad along to break 1/2".</p><p>So a hunter happy with ~1/2moa from a 6PPC would not likely detect a 'problem' for ~4000rnds.</p><p></p><p>A hunter with something like a 26Nosler could destroy his barrel's potential in one session of fast group shooting. He might not ever have a chance to reach any peak in accuracy -to detect later detriment of it.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 1006992, member: 1521"] +1 Greyfox The reason 'accurate barrel life' is generally established from competitors is because they're in the best position to detect loss of accuracy. Hunters don't MEASURE enough shots to see passing peak accuracy -with precision. And then there are many(most) in both competition and hunting who never reached peak accuracy to begin. So they won't detect passing accuracy peak with any precision either. For example, a poll at BR Central overwhelmingly concluded that accurate barrel life from a 6PPC in competitive use was ~900rnds (10sec shot rate being a big contributor to this). Now, even at a 30sec shot rate, where a competitively loaded 6PPC could last ~2700rnds before departing 1s-low 2s, it would still take a while before it was so bad along to break 1/2". So a hunter happy with ~1/2moa from a 6PPC would not likely detect a 'problem' for ~4000rnds. A hunter with something like a 26Nosler could destroy his barrel's potential in one session of fast group shooting. He might not ever have a chance to reach any peak in accuracy -to detect later detriment of it. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Overbore Index Chart & 26 Nosler
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