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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
High Velocity Throat Erosion
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<blockquote data-quote="codyadams" data-source="post: 2584597" data-attributes="member: 87243"><p>I think one of the biggest factors in any of this is the powder used. Higher energy powders like RL17, RL26, N570, and others known to get top velocity in certain cartridges also tend to be harder on barrels. My non scientific and very possibly incorrect hypothesis is due to maintaining peak pressure for a longer period of time, thus creating more heat in the barrel leading to shorter barrel life. I don't think bullet speed makes much of a difference in a particular cartridge, it think powder choice is the biggest factor. For instance, using H1000 vs N570 in a 300 rum, I would bet my lunch money the H1000 would give longer barrel life. I would think if your shooting a 165 grain bullet going faster or 245 grain bullet going slower, likely wouldn't make a measurable difference.</p></blockquote><p></p>
[QUOTE="codyadams, post: 2584597, member: 87243"] I think one of the biggest factors in any of this is the powder used. Higher energy powders like RL17, RL26, N570, and others known to get top velocity in certain cartridges also tend to be harder on barrels. My non scientific and very possibly incorrect hypothesis is due to maintaining peak pressure for a longer period of time, thus creating more heat in the barrel leading to shorter barrel life. I don't think bullet speed makes much of a difference in a particular cartridge, it think powder choice is the biggest factor. For instance, using H1000 vs N570 in a 300 rum, I would bet my lunch money the H1000 would give longer barrel life. I would think if your shooting a 165 grain bullet going faster or 245 grain bullet going slower, likely wouldn't make a measurable difference. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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High Velocity Throat Erosion
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