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Hunting
Long Range Hunting & Shooting
throat erosion?
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<blockquote data-quote="Brian Rybicky" data-source="post: 9152" data-attributes="member: 1851"><p>I think alot has to do with the size of the powder grains, with the majority of powder still un-burnt at the throat its all hitting the barrel at high velocities causing a sand blasting effect, with the larger grains hitting with more force thus causing more errosion, As varmint hunter said light charges=less errosion it is because more powder is being burnt in the case and less hitting the throat. As for heavy bullets causing more wear, its probably because those people are using slow powder, and slow powder is usally larger grain. I think bullets have an almost zero effect on throat errosion, if bullets caused all the errosion, the barrel would wear at the middle/end, causing that part to go before the throat.</p><p></p><p>Brian</p></blockquote><p></p>
[QUOTE="Brian Rybicky, post: 9152, member: 1851"] I think alot has to do with the size of the powder grains, with the majority of powder still un-burnt at the throat its all hitting the barrel at high velocities causing a sand blasting effect, with the larger grains hitting with more force thus causing more errosion, As varmint hunter said light charges=less errosion it is because more powder is being burnt in the case and less hitting the throat. As for heavy bullets causing more wear, its probably because those people are using slow powder, and slow powder is usally larger grain. I think bullets have an almost zero effect on throat errosion, if bullets caused all the errosion, the barrel would wear at the middle/end, causing that part to go before the throat. Brian [/QUOTE]
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