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The Range
Ammo & Reloading
Cleaning cases are they really clean, do they need to be?
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<blockquote data-quote="swampratt" data-source="post: 3091390" data-attributes="member: 15054"><p>I read one article a few years ago that forced me to built a pin tumbler.</p><p></p><p>In the article a bench rest shooter was talking about throat or lead erosion on his bench rest guns and knew how many rounds he could shoot before he had to change the seating depth of his bullet to get the accuracy back up a bit.</p><p>The lead area would erode from the carbon that was left in the case was his theory.</p><p>SO he set out to prove that theory.</p><p>A barrel was again made by the same manufacturer as he was always getting and he only shot perfectly cleaned brass from it and </p><p>went on to say that it had much less erosion at the same round count and something like you could possibly shoot it 2X more before changing the OAL of the load vs the brush and wipe down case.</p><p></p><p>He said that carbon left in a case gets very hard and it goes down the barrel with the powder and creates the erosion.</p><p></p><p>You guys ever think of that or read about that. Made me want a pin tumbler or sonic cleaner. I can't remember which he used.</p><p></p><p>But i scored a treadmill for free and built a pin tumbler.</p></blockquote><p></p>
[QUOTE="swampratt, post: 3091390, member: 15054"] I read one article a few years ago that forced me to built a pin tumbler. In the article a bench rest shooter was talking about throat or lead erosion on his bench rest guns and knew how many rounds he could shoot before he had to change the seating depth of his bullet to get the accuracy back up a bit. The lead area would erode from the carbon that was left in the case was his theory. SO he set out to prove that theory. A barrel was again made by the same manufacturer as he was always getting and he only shot perfectly cleaned brass from it and went on to say that it had much less erosion at the same round count and something like you could possibly shoot it 2X more before changing the OAL of the load vs the brush and wipe down case. He said that carbon left in a case gets very hard and it goes down the barrel with the powder and creates the erosion. You guys ever think of that or read about that. Made me want a pin tumbler or sonic cleaner. I can't remember which he used. But i scored a treadmill for free and built a pin tumbler. [/QUOTE]
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Cleaning cases are they really clean, do they need to be?
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