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Rifles, Reloading, Optics, Equipment
Reloading
Fired Brass Can't be Re-Sized
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<blockquote data-quote="itchytriggerfinger" data-source="post: 2439345" data-attributes="member: 24854"><p>What am I missing here?</p><p>Somebody please correct me if I am wrong but my understanding is</p><p>If his chamber is fluted, 30-50% of the case walls are not supported and the brass is fire forming to the fluted chamber.</p><p>My thought is if the case is expanding past the chamber diameter in the fluting, it doesn't mean the chamber is oversized. It just means that portion of the case where you can plainly see the flutes is bigger than the part of the case that's supported by the chamber walls.</p><p>There is nothing you can do to correct that.</p><p> I bought an H&K 91 30+ years ago and at the time I wasn't aware it had a fluted chamber, I knew nothing about the design. But specifically because it has a fluted chamber I never have attempted or never would reload those cases. To me, the brass is compromised from that. I know people reload them but it seems to me that work hardening the brass along the case body like that is not such a good idea.</p><p>I may be wrong and maybe I'm not articulating what I'm trying to say just right but at the risk of sounding dumb about it, what will a chamber cast or switching types of sizing lube going to accomplish?? The chamber will still have flutes and I'm convinced that is the whole problem.</p><p>Again, I apologize if my questions seem sarcastic in any way but I truly want to be educated. Maybe I'm not seeing something obvious??</p></blockquote><p></p>
[QUOTE="itchytriggerfinger, post: 2439345, member: 24854"] What am I missing here? Somebody please correct me if I am wrong but my understanding is If his chamber is fluted, 30-50% of the case walls are not supported and the brass is fire forming to the fluted chamber. My thought is if the case is expanding past the chamber diameter in the fluting, it doesn’t mean the chamber is oversized. It just means that portion of the case where you can plainly see the flutes is bigger than the part of the case that’s supported by the chamber walls. There is nothing you can do to correct that. I bought an H&K 91 30+ years ago and at the time I wasn’t aware it had a fluted chamber, I knew nothing about the design. But specifically because it has a fluted chamber I never have attempted or never would reload those cases. To me, the brass is compromised from that. I know people reload them but it seems to me that work hardening the brass along the case body like that is not such a good idea. I may be wrong and maybe I’m not articulating what I’m trying to say just right but at the risk of sounding dumb about it, what will a chamber cast or switching types of sizing lube going to accomplish?? The chamber will still have flutes and I’m convinced that is the whole problem. Again, I apologize if my questions seem sarcastic in any way but I truly want to be educated. Maybe I’m not seeing something obvious?? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Fired Brass Can't be Re-Sized
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