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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Cold Barrel Shots
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<blockquote data-quote="Mikecr" data-source="post: 2294409" data-attributes="member: 1521"><p>The ultimate killer of 'accurate barrel life' is bore constriction due to carbon.</p><p>You may have noticed that carbon takes a set with time.</p><p>The longer you leave it, the tougher it is to remove. Copper is bad, but I don't like leaving carbon in a bore. </p><p>So when I'm done with any range session, or a week or two of hunting, I clean the bore to white metal.</p><p></p><p>Then there is the matter of storage and petroleum products left in a bore. IMO, there is nothing 'good' in this.</p><p>A stable layer of powder fouling cannot establish itself without first burning out what petro you left in there.</p><p>I've seen testing in the past(a long time ago) concluding that it took 6-8shts to clear standard Hoppes suggested cleaning.</p><p>If the bore is stored upward, the oil can migrate down into the chamber, action,, potentially the bedding.</p><p>What I do to remove these issues is dry pre-fouling as a couple steps in my cleaning routine.</p><p>With this, my 1st shot is as true as any to follow.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 2294409, member: 1521"] The ultimate killer of 'accurate barrel life' is bore constriction due to carbon. You may have noticed that carbon takes a set with time. The longer you leave it, the tougher it is to remove. Copper is bad, but I don't like leaving carbon in a bore. So when I'm done with any range session, or a week or two of hunting, I clean the bore to white metal. Then there is the matter of storage and petroleum products left in a bore. IMO, there is nothing 'good' in this. A stable layer of powder fouling cannot establish itself without first burning out what petro you left in there. I've seen testing in the past(a long time ago) concluding that it took 6-8shts to clear standard Hoppes suggested cleaning. If the bore is stored upward, the oil can migrate down into the chamber, action,, potentially the bedding. What I do to remove these issues is dry pre-fouling as a couple steps in my cleaning routine. With this, my 1st shot is as true as any to follow. [/QUOTE]
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