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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Determine if Barrel is "Shot" . . . ?
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<blockquote data-quote="Lefty7mmstw" data-source="post: 744143" data-attributes="member: 48043"><p>Now for the really funky part; some calibers like the 7rum can basically "bake in" carbon and copper fouling. Some of the milder solvents( or copper specific) are not able to get all of it out without a serious fight. If I'm not mistaken, sweets is very good at pulling copper, somewhat like barnes is. You also have to go to a carbon specific solvent like hoppes or kroil to take out the baked in carbon. It's a bit like scouring the coating off of a cast iron. Leave her soaked overnight with a creeping oil like kroil and you'll get even more out when you take a bronze brush after it again. You have a fouled barrel, and if the throat is good, it should wake up after you finally get it clean. </p><p> </p><p>I never start with a dry brush(at least a bit of hoppes) as dry brushes can accelerate wear(using fouling to sand the bore) and this cal. already beats the hell out of the barrel; you don't need cleaning to add wear.</p></blockquote><p></p>
[QUOTE="Lefty7mmstw, post: 744143, member: 48043"] Now for the really funky part; some calibers like the 7rum can basically "bake in" carbon and copper fouling. Some of the milder solvents( or copper specific) are not able to get all of it out without a serious fight. If I'm not mistaken, sweets is very good at pulling copper, somewhat like barnes is. You also have to go to a carbon specific solvent like hoppes or kroil to take out the baked in carbon. It's a bit like scouring the coating off of a cast iron. Leave her soaked overnight with a creeping oil like kroil and you'll get even more out when you take a bronze brush after it again. You have a fouled barrel, and if the throat is good, it should wake up after you finally get it clean. I never start with a dry brush(at least a bit of hoppes) as dry brushes can accelerate wear(using fouling to sand the bore) and this cal. already beats the hell out of the barrel; you don't need cleaning to add wear. [/QUOTE]
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Determine if Barrel is "Shot" . . . ?
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