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Long Range Hunting & Shooting
Carbon or something else?
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<blockquote data-quote="crkckr" data-source="post: 2683155" data-attributes="member: 78056"><p>I believe that is what is called checking, where there are vague chevron shaped cracks in the throat. Honestly, I'm not sure what can done about it, if anything. I think I would hit it the JB Bore Cleaner at this point and see if it cleans things out better. Either way, I would just keep shooting it while saving for a new barrel! Shoot it until the groups start getting bad (the scope and bad accuracy will tell you when it's time to scrap this barrel), then it's off to your favorite gunsmith. </p><p></p><p>I hesitate to even mention this but another *possibility* would be something like the NECO firelapping kit but if it's a custom barrel (or semi custom) hand lapped barrel, do not use the largest grit size but start with just a couple or 4 of the second to last grits. I've firelapped several factory barrels and it never had any effect on accuracy, just on fouling. YMMV on this one and I would recommend extreme caution when using any abrasive, even JB, with a really good barrel! Go slow and check with the scope often!</p><p>Cheers, </p><p>crkckr</p></blockquote><p></p>
[QUOTE="crkckr, post: 2683155, member: 78056"] I believe that is what is called checking, where there are vague chevron shaped cracks in the throat. Honestly, I'm not sure what can done about it, if anything. I think I would hit it the JB Bore Cleaner at this point and see if it cleans things out better. Either way, I would just keep shooting it while saving for a new barrel! Shoot it until the groups start getting bad (the scope and bad accuracy will tell you when it's time to scrap this barrel), then it's off to your favorite gunsmith. I hesitate to even mention this but another *possibility* would be something like the NECO firelapping kit but if it's a custom barrel (or semi custom) hand lapped barrel, do not use the largest grit size but start with just a couple or 4 of the second to last grits. I've firelapped several factory barrels and it never had any effect on accuracy, just on fouling. YMMV on this one and I would recommend extreme caution when using any abrasive, even JB, with a really good barrel! Go slow and check with the scope often! Cheers, crkckr [/QUOTE]
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