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Rifles, Reloading, Optics, Equipment
Reloading
What am I doing wrong with sizing brass?
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<blockquote data-quote="Blackhawk" data-source="post: 1985162" data-attributes="member: 105459"><p><em>In my opinion just because a brass cartridge case fits in a case gage does not indicate that your brass is headspaced to your chambers dimensions. Remember stacked tolerances.</em></p><p><em>I would try to adjust your full length resizing die to reduce the brass shoulder dimensions by about -.002".</em></p><p><em>after making this adjustment see if your brass will chamber and your bolt will close. If it will not close easily screw your die in a little further and repeat the insertion process until your brass cartridge case will fit into your chamber and your bolt will easily close.</em></p><p><em>Once your proper headspace has been established you can load up just one round with primer, powder, and bullet and see if it will fit entirely into your Sammi spec case gage as well as your rifle.</em></p><p><em>If you have a mind you can purchase the Redding(caliber specific) body die as well as the redding competition shell holder set and run all your brass through it. (this is what I use)</em></p><p><em>Additionally, I was wondering what brand of brass that you are using and perhaps you might consider changing it if you are still encountering this.</em></p><p><strong><em> Final Thoughts:</em></strong></p><p><em>I have found that even though brass will not entirely fit into a case gage it will fit into your rifles chamber. </em></p><p><em>If it will easily chamber and fit into the magazine of your rifle as well I would call it done and not make any further adjustments.</em></p><p><em>You may consider annealing your case's neck and shoulder before you perform your full length resize. ( your brass maybe still too hard)</em></p><p><em>To that end, you must through trial and error work these issues out.</em></p><p><em>Best of luck!</em></p></blockquote><p></p>
[QUOTE="Blackhawk, post: 1985162, member: 105459"] [I]In my opinion just because a brass cartridge case fits in a case gage does not indicate that your brass is headspaced to your chambers dimensions. Remember stacked tolerances. I would try to adjust your full length resizing die to reduce the brass shoulder dimensions by about -.002". after making this adjustment see if your brass will chamber and your bolt will close. If it will not close easily screw your die in a little further and repeat the insertion process until your brass cartridge case will fit into your chamber and your bolt will easily close. Once your proper headspace has been established you can load up just one round with primer, powder, and bullet and see if it will fit entirely into your Sammi spec case gage as well as your rifle. If you have a mind you can purchase the Redding(caliber specific) body die as well as the redding competition shell holder set and run all your brass through it. (this is what I use) Additionally, I was wondering what brand of brass that you are using and perhaps you might consider changing it if you are still encountering this.[/I] [B][I] Final Thoughts:[/I][/B] [I]I have found that even though brass will not entirely fit into a case gage it will fit into your rifles chamber. If it will easily chamber and fit into the magazine of your rifle as well I would call it done and not make any further adjustments. You may consider annealing your case's neck and shoulder before you perform your full length resize. ( your brass maybe still too hard) To that end, you must through trial and error work these issues out. Best of luck![/I] [/QUOTE]
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What am I doing wrong with sizing brass?
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