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Long Range Hunting & Shooting
Barrel break-in for lapped barrels
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<blockquote data-quote="villagelightsmith" data-source="post: 1712147" data-attributes="member: 68421"><p>The barrel maker was, I believe, using a few passes of steel wool to relieve sharp cutting edges and micro-burrs left over from the rifling-cutting process. It was not a cleaning process, and I would never use it as such, except perhaps in an ill-used, badly stored blackpowder barrel or something equivalent. When your borescope reveals a rough and rocky, washboarded road, it might be time to return to a stroke or two with the stuff. </p><p>I have never used it myself, except on just that kind of blackpowder barrel or one in which corrosive priming was used and the bore never cleaned.</p><p>We do use (horrors!) abrasives from time to time to lap a barrel. But think about what the barrel maker has run through that bore ... <em><u>cutting tools!</u></em></p><p>I am curious, however, about the use and effect of <u><em>bronze wool</em></u> in such a barrel. I am told it will cut rust (oxides) but not steel. </p><p>If anybody has used the stuff, please educate us here!</p></blockquote><p></p>
[QUOTE="villagelightsmith, post: 1712147, member: 68421"] The barrel maker was, I believe, using a few passes of steel wool to relieve sharp cutting edges and micro-burrs left over from the rifling-cutting process. It was not a cleaning process, and I would never use it as such, except perhaps in an ill-used, badly stored blackpowder barrel or something equivalent. When your borescope reveals a rough and rocky, washboarded road, it might be time to return to a stroke or two with the stuff. I have never used it myself, except on just that kind of blackpowder barrel or one in which corrosive priming was used and the bore never cleaned. We do use (horrors!) abrasives from time to time to lap a barrel. But think about what the barrel maker has run through that bore ... [I][U]cutting tools![/U][/I] I am curious, however, about the use and effect of [U][I]bronze wool[/I][/U] in such a barrel. I am told it will cut rust (oxides) but not steel. If anybody has used the stuff, please educate us here! [/QUOTE]
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Barrel break-in for lapped barrels
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