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Rifles, Reloading, Optics, Equipment
Reloading
Pressure signs not showing at Max load
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<blockquote data-quote="bigedp51" data-source="post: 1692131" data-attributes="member: 28965"><p>Any time you see a ejector mark on the base of the case it means the pressure was so great the brass flowed into the ejector hole. This means the brass stretched beyond its elastic limits for that brand of brass. And if you took a before and after measurement of the base diameter just above the extractor groove you would see a increase in diameter.</p><p></p><p>Bottom line your brass will not last as long and your primer pockets will stretch out of shape.</p><p></p><p>Below is from accurateshooter.com and this long range shooter increased the load until he got brass flow into the ejector. He then backed of the load 1 or 2 grains after finding the elastic limits of the brass. And ejector marks vary by brass hardness and Lapua is noted for having harder brass.</p><p></p><p><img src="https://i.imgur.com/KtO65uH.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><span style="font-size: 22px"><strong>Simple Trick for Monitoring Pressure of Your Rifle Reloads</strong></span></p><p><a href="http://www.hodgdonreloading.com/reloading-education/tips-and-tricks/simple-trick-monitoring-pressure-your-rifle-reloads" target="_blank">http://www.hodgdonreloading.com/reloading-education/tips-and-tricks/simple-trick-monitoring-pressure-your-rifle-reloads</a></p></blockquote><p></p>
[QUOTE="bigedp51, post: 1692131, member: 28965"] Any time you see a ejector mark on the base of the case it means the pressure was so great the brass flowed into the ejector hole. This means the brass stretched beyond its elastic limits for that brand of brass. And if you took a before and after measurement of the base diameter just above the extractor groove you would see a increase in diameter. Bottom line your brass will not last as long and your primer pockets will stretch out of shape. Below is from accurateshooter.com and this long range shooter increased the load until he got brass flow into the ejector. He then backed of the load 1 or 2 grains after finding the elastic limits of the brass. And ejector marks vary by brass hardness and Lapua is noted for having harder brass. [IMG]https://i.imgur.com/KtO65uH.jpg[/IMG] [SIZE=6][B]Simple Trick for Monitoring Pressure of Your Rifle Reloads[/B][/SIZE] [URL]http://www.hodgdonreloading.com/reloading-education/tips-and-tricks/simple-trick-monitoring-pressure-your-rifle-reloads[/URL] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Pressure signs not showing at Max load
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