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Rifles, Reloading, Optics, Equipment
Reloading
What would cause this
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<blockquote data-quote="Muddyboots" data-source="post: 2086111" data-attributes="member: 63925"><p>1 - agree with all the pressure signs comments - this shows high pressure on the brass.</p><p>2 - agree the stiff bolt closing and opening can be from couple reasons;</p><div style="margin-left: 20px">* headspace of brass is wrong, have you measured headspace and validated against the brass? Have you measured headspace using the</div> <div style="margin-left: 20px">* full length resizing? If not, high pressure load will stretch case causing hard bolt and possibly firing pin hole impingement on the primer</div> <div style="margin-left: 20px">* Using Redding Competition shell holders to control shoulder bump?</div> <div style="margin-left: 20px">* <strong>have you tried to cycle a brand new case not fired with a primer installed to see if the same effect is there? If a new case shows the same exact issue that will send you in entirely different direction for resolution.</strong></div><p>3- agree the primer pockets could be suspect as well. Usually ADG bras pockets really don't need to be reamed but maybe these do to insure good primer seat below case base.</p><p>4 -agree the bolt face may need further evaluation, high pressure loads can alter the bolt face after repeated firings of high pressure loads.</p><p></p><p>The first thing I would do is cycle a new case right out of the bag with a primer (neck size to eliminate any issue there) to determine next step.</p></blockquote><p></p>
[QUOTE="Muddyboots, post: 2086111, member: 63925"] 1 - agree with all the pressure signs comments - this shows high pressure on the brass. 2 - agree the stiff bolt closing and opening can be from couple reasons; [INDENT]* headspace of brass is wrong, have you measured headspace and validated against the brass? Have you measured headspace using the[/INDENT] [INDENT]* full length resizing? If not, high pressure load will stretch case causing hard bolt and possibly firing pin hole impingement on the primer[/INDENT] [INDENT]* Using Redding Competition shell holders to control shoulder bump?[/INDENT] [INDENT]* [B]have you tried to cycle a brand new case not fired with a primer installed to see if the same effect is there? If a new case shows the same exact issue that will send you in entirely different direction for resolution.[/B][/INDENT] 3- agree the primer pockets could be suspect as well. Usually ADG bras pockets really don't need to be reamed but maybe these do to insure good primer seat below case base. 4 -agree the bolt face may need further evaluation, high pressure loads can alter the bolt face after repeated firings of high pressure loads. The first thing I would do is cycle a new case right out of the bag with a primer (neck size to eliminate any issue there) to determine next step. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
What would cause this
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