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HELP!! ejector marks on brass???
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<blockquote data-quote="LB" data-source="post: 72143" data-attributes="member: 2721"><p>I would be concerned. Whether it's split necks, flattened primers or loose primer pockets, and including ejector marks, (imprints) there is cause for concern.</p><p></p><p>This is factory ammuntion you are using, but you had pressure signs of some kind(?) with handloads, previously. If you are reading 3 thou expansion on the web area, is that consistant with your previous handloads, or not? Is this, by chance a used rifle, that you purchased, with brass thrown in? Have you ever shot virgin brass (before) in this gun?</p><p></p><p>A good question was about "hard" bolt lift. Yes or no? How about closing the bolt on a live round? Can you measure the unfired case length to see if the necks are crushing in the chamber? What sort of performance did you get on target with that 20 rounds? Normal, or not quite as accurate as the gun is capable of?</p><p></p><p>I would not blow it off. Ejector marks are generally an indicator of high pressures, but they won't tell you the reason for the high pressure. This could be anything from a bad lot of ammo to excessive headspace and including a very fouled barrel. Something does not add up, here?</p><p></p><p>I think you are bumping the shoulder a little too much.</p><p></p><p>Good hunting. LB</p></blockquote><p></p>
[QUOTE="LB, post: 72143, member: 2721"] I would be concerned. Whether it's split necks, flattened primers or loose primer pockets, and including ejector marks, (imprints) there is cause for concern. This is factory ammuntion you are using, but you had pressure signs of some kind(?) with handloads, previously. If you are reading 3 thou expansion on the web area, is that consistant with your previous handloads, or not? Is this, by chance a used rifle, that you purchased, with brass thrown in? Have you ever shot virgin brass (before) in this gun? A good question was about "hard" bolt lift. Yes or no? How about closing the bolt on a live round? Can you measure the unfired case length to see if the necks are crushing in the chamber? What sort of performance did you get on target with that 20 rounds? Normal, or not quite as accurate as the gun is capable of? I would not blow it off. Ejector marks are generally an indicator of high pressures, but they won't tell you the reason for the high pressure. This could be anything from a bad lot of ammo to excessive headspace and including a very fouled barrel. Something does not add up, here? I think you are bumping the shoulder a little too much. Good hunting. LB [/QUOTE]
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HELP!! ejector marks on brass???
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