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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Extraction problems. Gunsmiths?
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<blockquote data-quote="dustycuss" data-source="post: 1698555" data-attributes="member: 11238"><p>You mentioned that you used once fired brass. It is possible that the brass was originally fired in a chamber that was slightly bigger than your current one. I assume you fl resized the brass. This will allow it to chamber but the brass springback will still make the brass tight if the size difference between the two chambers was too great. This usually happens lower down on the case where the brass is thicker (stiffer). Like it did with you. Use new brass and your problem will go away. Do not polish your chamber until it is slick. This will result in too much bolt thrust as the round is fired due to the case wanting to piston back since it has no grip on the chamber walls.</p></blockquote><p></p>
[QUOTE="dustycuss, post: 1698555, member: 11238"] You mentioned that you used once fired brass. It is possible that the brass was originally fired in a chamber that was slightly bigger than your current one. I assume you fl resized the brass. This will allow it to chamber but the brass springback will still make the brass tight if the size difference between the two chambers was too great. This usually happens lower down on the case where the brass is thicker (stiffer). Like it did with you. Use new brass and your problem will go away. Do not polish your chamber until it is slick. This will result in too much bolt thrust as the round is fired due to the case wanting to piston back since it has no grip on the chamber walls. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Extraction problems. Gunsmiths?
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