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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Copper Fouling in old barrel
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<blockquote data-quote="royinidaho" data-source="post: 857690" data-attributes="member: 2011"><p>+2 on no brass/bronz brush or nylon brush with copper winding.</p><p></p><p>I just finished running 50 - 60 patches thru with copper showing on all of them. Highly unusual for a good custom bbl.</p><p></p><p>I use a plastic jag and stainless rod. The rub is the short brass collar holding the jag.</p><p></p><p>I didn't think it would have much effect.</p><p></p><p>I've been bullet testing with funky things happening. For quite a few patches it was clear that the copper was coming from the corners of the rifling in a couple of spots.</p><p></p><p>After indications of no more copper in the corners the patches were still coming out with a blue haze.</p><p></p><p>I trashed the brass collar and after about 5 more passes with Eliminator they began coming out white.</p><p></p><p>I then dry patch until dry followed by a shot of Amsoil P1. Dry patch again. Then shoot two foulers while checking zero before the hunt.</p></blockquote><p></p>
[QUOTE="royinidaho, post: 857690, member: 2011"] +2 on no brass/bronz brush or nylon brush with copper winding. I just finished running 50 - 60 patches thru with copper showing on all of them. Highly unusual for a good custom bbl. I use a plastic jag and stainless rod. The rub is the short brass collar holding the jag. I didn't think it would have much effect. I've been bullet testing with funky things happening. For quite a few patches it was clear that the copper was coming from the corners of the rifling in a couple of spots. After indications of no more copper in the corners the patches were still coming out with a blue haze. I trashed the brass collar and after about 5 more passes with Eliminator they began coming out white. I then dry patch until dry followed by a shot of Amsoil P1. Dry patch again. Then shoot two foulers while checking zero before the hunt. [/QUOTE]
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Copper Fouling in old barrel
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