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Rifles, Reloading, Optics, Equipment
Gunsmithing
Rapid Copper Build Up: Interarms Mark X .30 06
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<blockquote data-quote="General RE LEE" data-source="post: 2007700" data-attributes="member: 115273"><p>Good morning I inherited a rifle from my late father that is an Interarms Mark X in .30 06. After about 40 rounds copper wash is visible in the lands at the muzzle and accuracy completely falls off. When I inherited the rifle there was some rust in the bore that I was able to remove mostly but I am going to assume there is some pitting in the barrel. The rifle shoots 1" groups on a very clean bore, but copper builds up rapidly. I have to do Kroil/JB Bore Shine to get all the copper out every 60 rounds or so.</p><p></p><p>Anyone have a rifle that builds up copper rapidly and accuracy falls off quickly after 30-40 rounds? My guess is there is some pitting that captures copper and it builds up quickly but I don't have a bore scope.</p></blockquote><p></p>
[QUOTE="General RE LEE, post: 2007700, member: 115273"] Good morning I inherited a rifle from my late father that is an Interarms Mark X in .30 06. After about 40 rounds copper wash is visible in the lands at the muzzle and accuracy completely falls off. When I inherited the rifle there was some rust in the bore that I was able to remove mostly but I am going to assume there is some pitting in the barrel. The rifle shoots 1" groups on a very clean bore, but copper builds up rapidly. I have to do Kroil/JB Bore Shine to get all the copper out every 60 rounds or so. Anyone have a rifle that builds up copper rapidly and accuracy falls off quickly after 30-40 rounds? My guess is there is some pitting that captures copper and it builds up quickly but I don't have a bore scope. [/QUOTE]
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Rapid Copper Build Up: Interarms Mark X .30 06
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