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Rifles, Reloading, Optics, Equipment
Reloading
Lose primer pockets
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<blockquote data-quote="bigedp51" data-source="post: 1207640" data-attributes="member: 28965"><p>kyron</p><p></p><p>Cartridge brass is a expendable item and your bolt face is not.</p><p></p><p>In a Ar15 forum loose primer pockets were being discussed and the person who post the photo below said the following.</p><p></p><p>"I don't worry about loose primer pockets, I just replace the bolt when it gets bad enough"</p><p></p><p><img src="http://i122.photobucket.com/albums/o254/bigedp51/coltbolt-1_zps146f5233.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Below is my scrap brass bucket and 95% of these cases are once fired factory loaded Federal .223 brass. Meaning the primer pockets were oversize after the first firing and not reloadable.</p><p></p><p> <img src="http://i122.photobucket.com/albums/o254/bigedp51/193natorejects001_zps87560a0a.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>If one of your primers leaks and high pressure gas erodes your bolt face you will not be a happy camper.</p><p></p><p>I posted a link about brass hardness and Federal and Remington brass are the softest in that order. You also stated you had brass flow into the ejector which is a telling sign of high pressure.</p><p></p><p>One thing not mentioned was shoulder bump and head clearance and how far the primer can back out of the primer pocket when fired. If your head clearance is excessive your primers will take longer to form a seal and can cause gas leakage. </p><p></p><p><img src="http://i122.photobucket.com/albums/o254/bigedp51/HeadClearance_zpsf30a3af1.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><strong><span style="font-family: 'Arial'"><span style="font-size: 10px">Simple Trick for Monitoring Pressure of Your Rifle Reloads</span></span></strong></p><p></p><p><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></p></blockquote><p></p>
[QUOTE="bigedp51, post: 1207640, member: 28965"] kyron Cartridge brass is a expendable item and your bolt face is not. In a Ar15 forum loose primer pockets were being discussed and the person who post the photo below said the following. "I don't worry about loose primer pockets, I just replace the bolt when it gets bad enough" [IMG]http://i122.photobucket.com/albums/o254/bigedp51/coltbolt-1_zps146f5233.jpg[/IMG] Below is my scrap brass bucket and 95% of these cases are once fired factory loaded Federal .223 brass. Meaning the primer pockets were oversize after the first firing and not reloadable. [IMG]http://i122.photobucket.com/albums/o254/bigedp51/193natorejects001_zps87560a0a.jpg[/IMG] If one of your primers leaks and high pressure gas erodes your bolt face you will not be a happy camper. I posted a link about brass hardness and Federal and Remington brass are the softest in that order. You also stated you had brass flow into the ejector which is a telling sign of high pressure. One thing not mentioned was shoulder bump and head clearance and how far the primer can back out of the primer pocket when fired. If your head clearance is excessive your primers will take longer to form a seal and can cause gas leakage. [IMG]http://i122.photobucket.com/albums/o254/bigedp51/HeadClearance_zpsf30a3af1.gif[/IMG] [B][FONT=Arial][SIZE=2]Simple Trick for Monitoring Pressure of Your Rifle Reloads[/SIZE][/FONT][/B] [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] [/QUOTE]
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