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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
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<blockquote data-quote="Hugnot" data-source="post: 2000923" data-attributes="member: 115658"><p>Like !, deserves 8 attaboy's - one for each sample tested</p><p></p><p>Keep in mind carbon, the black colored element, is essentially inert and will react with oxygen only with high temperatures that would damage rifle barrels. Various acids won't touch it. My guess is that the carbon (black stuff) inside the bore is part of an amalgam, a mixture of carbon, heavy metals-primer residue, powder residue all bonded together by heat. The effective solvents/foams break up the amalgam allowing mechanical removal.</p><p></p><p>My cleaning routine involves an overnight soak with Gunslick foam (now Hoppe's foam?) to attack copper fouling, and break up amalgam, followed by a patch to push the foam/fouling glop out, then nylon brushing with 0-5W synthetic motor oil that has surfactant/detergent action to bind and float away junk followed by dry patches.</p><p></p><p>Try exposing a copper bullet to the Hoppe's foam and watch blue stuff forming in a short time, heat speeds things up.</p><p></p><p>I know some PhD types who could not present the data as well. Good work! (looks scientific enough for me)</p></blockquote><p></p>
[QUOTE="Hugnot, post: 2000923, member: 115658"] Like !, deserves 8 attaboy's - one for each sample tested Keep in mind carbon, the black colored element, is essentially inert and will react with oxygen only with high temperatures that would damage rifle barrels. Various acids won't touch it. My guess is that the carbon (black stuff) inside the bore is part of an amalgam, a mixture of carbon, heavy metals-primer residue, powder residue all bonded together by heat. The effective solvents/foams break up the amalgam allowing mechanical removal. My cleaning routine involves an overnight soak with Gunslick foam (now Hoppe's foam?) to attack copper fouling, and break up amalgam, followed by a patch to push the foam/fouling glop out, then nylon brushing with 0-5W synthetic motor oil that has surfactant/detergent action to bind and float away junk followed by dry patches. Try exposing a copper bullet to the Hoppe's foam and watch blue stuff forming in a short time, heat speeds things up. I know some PhD types who could not present the data as well. Good work! (looks scientific enough for me) [/QUOTE]
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