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Hunting
Long Range Hunting & Shooting
What really causes a barrel to wear out...
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<blockquote data-quote="NEMTHunter" data-source="post: 1577799" data-attributes="member: 77631"><p>Heat alone will cause cracking. it causes very time hair line surface cracks. Any one that runs a torch on steel will know that it can happen even in as few as a couple heat cycles. Now do it hundreds of time and what will you have? Then throw a bullet running down the barrel as its doing it and barrel wear makes sense.</p><p></p><p>Why does the barrel not crack or erode the full length of the barrel? But the main erosion as at the throat? Not to mention why are some powders worth then others. And why are Overbore cartridges even that much worth? Even though they see the same pressure??</p><p></p><p>You can not blame it on pressure..</p></blockquote><p></p>
[QUOTE="NEMTHunter, post: 1577799, member: 77631"] Heat alone will cause cracking. it causes very time hair line surface cracks. Any one that runs a torch on steel will know that it can happen even in as few as a couple heat cycles. Now do it hundreds of time and what will you have? Then throw a bullet running down the barrel as its doing it and barrel wear makes sense. Why does the barrel not crack or erode the full length of the barrel? But the main erosion as at the throat? Not to mention why are some powders worth then others. And why are Overbore cartridges even that much worth? Even though they see the same pressure?? You can not blame it on pressure.. [/QUOTE]
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What really causes a barrel to wear out...
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