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Rifles, Reloading, Optics, Equipment
Reloading
pressure signs at 1 grain over books starting load
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<blockquote data-quote="azsugarbear" data-source="post: 841363" data-attributes="member: 4809"><p>I would only try one thing at a time, so that you can isolate what is wrong. That way, if it ever happens again, you know the root of the problem.</p><p></p><p>The easiest thing to do first would be to load up one or two rounds with the shorter COL and see if the pressure issue persists. Another thing to try would be a thorough cleaning with some great solvents. You don't mention what you are using, but you need to use both a copper solvent and then a carbon solvent. Sometimes layers of each can build up on each other.</p><p></p><p>This very thing happened to me on a custom .243 barrel. Even though I was using a good copper stripper (BMG 50) and a carbon stripper (Hoppes #9 and GM motorhead carbon cleaner), I still developed layers that spiked my pressure. I couldn't figure it out until I finally took it to a gunsmith and paid him $10 to look down the barrel with his bore scope. It was caked in the throat so bad that I had to use onw or two passes with JB Bore Paste just to get things loose. After that, some heavy scrubbing. Some Wipeout left overnight and we were GTG. Things returned to normal. Keep us apprised of your progress.</p></blockquote><p></p>
[QUOTE="azsugarbear, post: 841363, member: 4809"] I would only try one thing at a time, so that you can isolate what is wrong. That way, if it ever happens again, you know the root of the problem. The easiest thing to do first would be to load up one or two rounds with the shorter COL and see if the pressure issue persists. Another thing to try would be a thorough cleaning with some great solvents. You don't mention what you are using, but you need to use both a copper solvent and then a carbon solvent. Sometimes layers of each can build up on each other. This very thing happened to me on a custom .243 barrel. Even though I was using a good copper stripper (BMG 50) and a carbon stripper (Hoppes #9 and GM motorhead carbon cleaner), I still developed layers that spiked my pressure. I couldn't figure it out until I finally took it to a gunsmith and paid him $10 to look down the barrel with his bore scope. It was caked in the throat so bad that I had to use onw or two passes with JB Bore Paste just to get things loose. After that, some heavy scrubbing. Some Wipeout left overnight and we were GTG. Things returned to normal. Keep us apprised of your progress. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
pressure signs at 1 grain over books starting load
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