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Rifles, Reloading, Optics, Equipment
Reloading
New to the forum, 6.5-284 question
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<blockquote data-quote="rscott5028" data-source="post: 693376" data-attributes="member: 24624"><p>Justin, </p><p> </p><p>I don't buy into the "bad brass" issue in this instance. ...not that it can't happen. </p><p> </p><p>You would have to be already near your max load and have something pretty uncommon about the brass to be the "cause" of excess pressure. Your OP indicated you were seeing pressure signs well below normal charge/velocity levels. </p><p> </p><p>Someone please explain how "bad brass" from Lapua would cause that unless the brass is simply not sized or trimmed within specs. Which also brings us back to the "trim to" length relative to this rifle's chamber/neck. Nothing was measured, sized, or trimmed. </p><p> </p><p>Neck OD (unless so thick that it's pinched by a tight chamber) and neck tension don't cause excess pressure with starter loads. </p><p> </p><p>Something is amiss with your procedure (like not sizing or measuring brass due to taking shortcuts). Or, the rifle is out of spec e.g. short neck pinching brass. Or, you simply have an oily/slick chamber that's allowing more than usual thrust against the bolt face. </p><p> </p><p>-- richard</p></blockquote><p></p>
[QUOTE="rscott5028, post: 693376, member: 24624"] Justin, I don't buy into the "bad brass" issue in this instance. ...not that it can't happen. You would have to be already near your max load and have something pretty uncommon about the brass to be the "cause" of excess pressure. Your OP indicated you were seeing pressure signs well below normal charge/velocity levels. Someone please explain how "bad brass" from Lapua would cause that unless the brass is simply not sized or trimmed within specs. Which also brings us back to the "trim to" length relative to this rifle's chamber/neck. Nothing was measured, sized, or trimmed. Neck OD (unless so thick that it's pinched by a tight chamber) and neck tension don't cause excess pressure with starter loads. Something is amiss with your procedure (like not sizing or measuring brass due to taking shortcuts). Or, the rifle is out of spec e.g. short neck pinching brass. Or, you simply have an oily/slick chamber that's allowing more than usual thrust against the bolt face. -- richard [/QUOTE]
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Reloading
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