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Rifles, Reloading, Optics, Equipment
Reloading
ejector marks
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<blockquote data-quote="bigedp51" data-source="post: 1306668" data-attributes="member: 28965"><p>If your getting a raised bump from the brass starting to flow into the ejector hole its high pressure. If you are just seeing a ring impression without a raised bump the ejector hole may just have sharp edges. This can can be fixed by stoning the edges of the ejector hole.</p><p></p><p>Below is brass flow into the ejector and has a raised bump, caused by high chamber pressure and exceeding the elastic limits of the brass. This varies with brass hardness with softer brands of brass showing brass flow sooner than harder brands of brass.</p><p></p><p> <img src="http://i.imgur.com/KtO65uH.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Another thing to check is base expansion just above the extractor groove of the fired cases. </p><p><strong></strong></p><p><strong><u><a href="http://www.hodgdonreloading.com/reloading-education/tips-and-tricks/simple-trick-monitoring-pressure-your-rifle-reloads" target="_blank">Simple Trick for Monitoring Pressure of Your Rifle Reloads | Hodgdon Reloading</a></u></strong></p><p><strong><u></u></strong></p><p><strong><u>Below a exagerated example of base of the case expanding due to high pressure.</u></strong></p><p><strong><u></u> </strong></p><p><strong><img src="http://i.imgur.com/IBJQA9p.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></strong></p><p><strong></strong></p></blockquote><p></p>
[QUOTE="bigedp51, post: 1306668, member: 28965"] If your getting a raised bump from the brass starting to flow into the ejector hole its high pressure. If you are just seeing a ring impression without a raised bump the ejector hole may just have sharp edges. This can can be fixed by stoning the edges of the ejector hole. Below is brass flow into the ejector and has a raised bump, caused by high chamber pressure and exceeding the elastic limits of the brass. This varies with brass hardness with softer brands of brass showing brass flow sooner than harder brands of brass. [IMG]http://i.imgur.com/KtO65uH.jpg[/IMG] Another thing to check is base expansion just above the extractor groove of the fired cases. [B] [U][URL="http://www.hodgdonreloading.com/reloading-education/tips-and-tricks/simple-trick-monitoring-pressure-your-rifle-reloads"]Simple Trick for Monitoring Pressure of Your Rifle Reloads | Hodgdon Reloading[/URL] Below a exagerated example of base of the case expanding due to high pressure. [/U] [IMG]http://i.imgur.com/IBJQA9p.gif[/IMG] [/B] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
ejector marks
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