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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Life of a .243 Win. Barrel?
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<blockquote data-quote="Mikecr" data-source="post: 813359" data-attributes="member: 1521"><p>Good point Zep</p><p>Single shooting dramatically increases barrel life.</p><p></p><p>To see the opposite, refer to the competitive barrel life of a 6PPC.</p><p>This is a tiny little cartridge that should get 3600+ accurate shots, but BR shooters get 850-1000 shots when they see their barrels wave bye bye!</p><p>This, even running N133, which is one of the coolest powders available..</p><p></p><p>The reasons:</p><p>~10sec median shot rate, for every shot fired in their barrel</p><p>~75Kpsi loads</p><p></p><p>If you ran H1000(same heat as N133) in your 243Win, and focused on cold bore accuracy rather than group shooting, you could easily get over 2000 accurate shots from the barrel.</p><p>Yet there are people here who insist you need 20sht groups to prove an accurate load. IMO, you should not take that advice with a 243Win.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 813359, member: 1521"] Good point Zep Single shooting dramatically increases barrel life. To see the opposite, refer to the competitive barrel life of a 6PPC. This is a tiny little cartridge that should get 3600+ accurate shots, but BR shooters get 850-1000 shots when they see their barrels wave bye bye! This, even running N133, which is one of the coolest powders available.. The reasons: ~10sec median shot rate, for every shot fired in their barrel ~75Kpsi loads If you ran H1000(same heat as N133) in your 243Win, and focused on cold bore accuracy rather than group shooting, you could easily get over 2000 accurate shots from the barrel. Yet there are people here who insist you need 20sht groups to prove an accurate load. IMO, you should not take that advice with a 243Win. [/QUOTE]
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Life of a .243 Win. Barrel?
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