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Rifles, Reloading, Optics, Equipment
Reloading
The Case Head
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<blockquote data-quote="J E Custom" data-source="post: 1228177" data-attributes="member: 2736"><p>The dies have nothing to do with this marking of the case head.</p><p></p><p>Ejector marks on the case head are typically from hot loads. the pressure pushes the brass back in the ejector hole and make a small bulge in the case head. When the case is extracted the bolt rotates the case and shears this bulge off leaving the round shinny mark on the case head.</p><p></p><p>The hotter the load, the worse the mark. even a perfectly flat bolt face will do this if excessive pressures are reached.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1228177, member: 2736"] The dies have nothing to do with this marking of the case head. Ejector marks on the case head are typically from hot loads. the pressure pushes the brass back in the ejector hole and make a small bulge in the case head. When the case is extracted the bolt rotates the case and shears this bulge off leaving the round shinny mark on the case head. The hotter the load, the worse the mark. even a perfectly flat bolt face will do this if excessive pressures are reached. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
The Case Head
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