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Rifles, Reloading, Optics, Equipment
Reloading
Bullet jump vs throat erosion
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<blockquote data-quote="aushunter1" data-source="post: 1910252" data-attributes="member: 57533"><p>From this link-</p><p>[URL unfurl="true"]https://precisionrifleblog.com/2020/03/24/how-fast-does-a-barrel-wear/[/URL]</p><p><span style="font-size: 22px"><strong>How Quickly Will the Lands Erode?</strong></span></p><p></p><p>Short answer: "It depends." But, I realize that isn't helpful, so I'll try to expand. First, it varies by cartridge, how hot of a load you're running, and how hot you allow the chamber to get. If you fire long strings without stopping to let the chamber cool, it can erode much faster – maybe exponentially faster. In fact, it's possible to burn out a barrel in one afternoon if you never let it cool (<a href="http://bulletin.accurateshooter.com/2014/10/how-to-wear-out-a-barrel-in-one-afternoon/" target="_blank">read article</a>). It can even vary based on the barrel-to-barrel variation in steel, whether the barrel was button-rifled or cut-rifled, or the specific type of gun powder you use – so there are too many factors to make sweeping generalizations.</p><p></p><p>So even before they they put up their results there already saying there will be variables in any results!</p><p></p><p>I will throw this out there, if the erosion is due to the projectile then what effect would bullet coating have on this??</p><p></p><p>Secondly I would attribute erosion more to powder, types of powder & amount of powder.</p><p>We all know that overbore cartridges wear quicker because they are pushing all of those large amounts of powder at such a small diameter.</p></blockquote><p></p>
[QUOTE="aushunter1, post: 1910252, member: 57533"] From this link- [URL unfurl="true"]https://precisionrifleblog.com/2020/03/24/how-fast-does-a-barrel-wear/[/URL] [SIZE=6][B]How Quickly Will the Lands Erode?[/B][/SIZE] Short answer: “It depends.” But, I realize that isn’t helpful, so I’ll try to expand. First, it varies by cartridge, how hot of a load you’re running, and how hot you allow the chamber to get. If you fire long strings without stopping to let the chamber cool, it can erode much faster – maybe exponentially faster. In fact, it’s possible to burn out a barrel in one afternoon if you never let it cool ([URL='http://bulletin.accurateshooter.com/2014/10/how-to-wear-out-a-barrel-in-one-afternoon/']read article[/URL]). It can even vary based on the barrel-to-barrel variation in steel, whether the barrel was button-rifled or cut-rifled, or the specific type of gun powder you use – so there are too many factors to make sweeping generalizations. So even before they they put up their results there already saying there will be variables in any results! I will throw this out there, if the erosion is due to the projectile then what effect would bullet coating have on this?? Secondly I would attribute erosion more to powder, types of powder & amount of powder. We all know that overbore cartridges wear quicker because they are pushing all of those large amounts of powder at such a small diameter. [/QUOTE]
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Bullet jump vs throat erosion
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