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Rifles, Reloading, Optics, Equipment
Reloading
First time coming across pressure
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<blockquote data-quote="bigedp51" data-source="post: 1293423" data-attributes="member: 28965"><p>If you have ejector marks with a raised bump you have exceeded the elastic limits of the brass and are over pressure.</p><p>The strength of the brass or its hardness governs when you will have brass flow into the ejector. Meaning some brands of brass will flow sooner because the brass is softer. Example Lake City Brass is harder than Remington or Federal.</p><p></p><p>How hard is your brass</p><p></p><p> <u><a href="http://bulletin.accurateshooter.com/2014/05/how-hard-is-your-brass-5-56-and-223-rem-base-hardness-tests/" target="_blank">http://bulletin.accurateshooter.com/2014/05/how-hard-is-your-brass-5-56-and-223-rem-base-hardness-tests/</a></u></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>If you have a circler mark without a raised bump the ejector hole might have sharp edges that need stoning. </p><p></p><p>Below measuring base expansion just above the extractor groove.</p><p></p><p><u><u><u><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></u></u></u></p></blockquote><p></p>
[QUOTE="bigedp51, post: 1293423, member: 28965"] If you have ejector marks with a raised bump you have exceeded the elastic limits of the brass and are over pressure. The strength of the brass or its hardness governs when you will have brass flow into the ejector. Meaning some brands of brass will flow sooner because the brass is softer. Example Lake City Brass is harder than Remington or Federal. How hard is your brass [U][URL]http://bulletin.accurateshooter.com/2014/05/how-hard-is-your-brass-5-56-and-223-rem-base-hardness-tests/[/URL][/U] [IMG]http://i.imgur.com/KtO65uH.jpg[/IMG] If you have a circler mark without a raised bump the ejector hole might have sharp edges that need stoning. Below measuring base expansion just above the extractor groove. [U][U][U][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][/U][/U][/U][/U] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
First time coming across pressure
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