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Rifles, Reloading, Optics, Equipment
Reloading
Old Fired Cases Won't Chamber in New Barrel
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<blockquote data-quote="Full Curl" data-source="post: 2613401" data-attributes="member: 47602"><p>All great replies and information, thank you. Here's an update...</p><p></p><p>I have a couple CO-AX presses so do not use standard shell holders, I just use their shell holder jaws. So sanding down a shell holder is not a great option. I know I can get a standard shell holder adapter plate, but I'm not sure I want to go that route.</p><p></p><p>As suggested I tried running them through a 300 RUM FL die and it touches the web area but not enough so that didn't work.</p><p></p><p>I trimmed a fired case to the same length as a new Winchester case (that will chamber fine) and it won't chamber so it's not the case/neck length.</p><p></p><p>I loaded up a few new Winchester cases I had and it functioned and shot great, I don't think there's any issue with the chamber or the rifle. I'd rather just try to get/wait for some more new cases over getting the chamber polished.</p><p></p><p>I measured and compared cases fired from the old barrel and the new barrel and the issues is very clearly with the web area on the fired cases... the case diameter is wider in the web area on the case fired in the old barrel compared to the new barrel. Since the old barrel was a factory rem barrel, I'm assuming the chamber was cut with more slop than the chamber in the new custom barrel.</p><p></p><p>I turned my 270WSM FL die down as far as I can, even to the point were cam-over is hard when I run a case through it and it still doesn't shrink the web area enough. Otherwise, the FL sized case meets all SAAMI specs.</p><p></p><p>I'm going to look into a small base die since that seems like my last "good" option rather than just tossing all this old brass. If I could get some new Norma cases today, I think I would just start over and be done with it.</p></blockquote><p></p>
[QUOTE="Full Curl, post: 2613401, member: 47602"] All great replies and information, thank you. Here's an update... I have a couple CO-AX presses so do not use standard shell holders, I just use their shell holder jaws. So sanding down a shell holder is not a great option. I know I can get a standard shell holder adapter plate, but I'm not sure I want to go that route. As suggested I tried running them through a 300 RUM FL die and it touches the web area but not enough so that didn't work. I trimmed a fired case to the same length as a new Winchester case (that will chamber fine) and it won't chamber so it's not the case/neck length. I loaded up a few new Winchester cases I had and it functioned and shot great, I don't think there's any issue with the chamber or the rifle. I'd rather just try to get/wait for some more new cases over getting the chamber polished. I measured and compared cases fired from the old barrel and the new barrel and the issues is very clearly with the web area on the fired cases... the case diameter is wider in the web area on the case fired in the old barrel compared to the new barrel. Since the old barrel was a factory rem barrel, I'm assuming the chamber was cut with more slop than the chamber in the new custom barrel. I turned my 270WSM FL die down as far as I can, even to the point were cam-over is hard when I run a case through it and it still doesn't shrink the web area enough. Otherwise, the FL sized case meets all SAAMI specs. I'm going to look into a small base die since that seems like my last "good" option rather than just tossing all this old brass. If I could get some new Norma cases today, I think I would just start over and be done with it. [/QUOTE]
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Old Fired Cases Won't Chamber in New Barrel
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