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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
which powder ? 7mm ultra mag w/ 32" barrel & 139gr sst interbonds.
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<blockquote data-quote="jhilsen" data-source="post: 31109" data-attributes="member: 1908"><p>forknhorn-</p><p></p><p>When the pressure starts to become excessive, it can cause brass extrusion into the ejector and/or extractor cuts on the bolt face. These show up as bright or shiny marks on the case head. That's what I was referring to as "mark".</p></blockquote><p></p>
[QUOTE="jhilsen, post: 31109, member: 1908"] forknhorn- When the pressure starts to become excessive, it can cause brass extrusion into the ejector and/or extractor cuts on the bolt face. These show up as bright or shiny marks on the case head. That's what I was referring to as "mark". [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
which powder ? 7mm ultra mag w/ 32" barrel & 139gr sst interbonds.
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