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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Cornmeal forming bad on a new barrel??
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<blockquote data-quote="MAX" data-source="post: 30951" data-attributes="member: 184"><p>I don't know the truth of it but have read advice against using corn meal. Maybe in Dr. Howell's Blue book? Wherever it came from the caution was that it may not flow thru bottleneck cases and result in overpressure scenarios. Rick Jamison wrote an article some time back that was critical about COW due to substantial erosion from fireform rounds. I'm sure I cannot explain it, but one of life's facts is that soft materials can and do cause wear/erosion on harder materials. Why else would diamond blades wear? Or carbide grow dull?</p><p></p><p>I like Bounty Hunter's approach.</p></blockquote><p></p>
[QUOTE="MAX, post: 30951, member: 184"] I don't know the truth of it but have read advice against using corn meal. Maybe in Dr. Howell's Blue book? Wherever it came from the caution was that it may not flow thru bottleneck cases and result in overpressure scenarios. Rick Jamison wrote an article some time back that was critical about COW due to substantial erosion from fireform rounds. I'm sure I cannot explain it, but one of life's facts is that soft materials can and do cause wear/erosion on harder materials. Why else would diamond blades wear? Or carbide grow dull? I like Bounty Hunter's approach. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Cornmeal forming bad on a new barrel??
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