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Rifles, Reloading, Optics, Equipment
Reloading
Belted magnums reloading, from scratch
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<blockquote data-quote="Innovative" data-source="post: 302458" data-attributes="member: 527"><p>MagnumManiac,</p><p> </p><p>The bulge on belted magnums happens just "above" the case web. If a case is going to stretch - this is where it will happen. That's why you only see case separations in this part of the case.</p><p> </p><p>So, why does this bulge happen only on belted cases? It's because factory loads headspace on the belt (and headspace at the shoulder is off by a mile). The very first firing <strong>REALLY</strong> stretches (and seriously weakens) the case. That's why belted cases need extra attention when reloading. If you measure the area above the belt (and just above the web) you'll see a large bulge that gets larger at each reloading. New cases start out at .507" above the belt. You need to measure your cases!</p><p> </p><p><img src="http://www.larrywillis.com/headspace-2.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p> </p><p>It's obvious that the brass flows forward during firing. In fact, the brass flow you're referring to comes <strong>FROM</strong> just above the web. Read my website, and you'll get a better understanding of what happens when firing (and reloading)a belted magnum case. My website fully describes the whole story. If you have more questions, just let me know.</p><p> </p><p>- Innovative</p></blockquote><p></p>
[QUOTE="Innovative, post: 302458, member: 527"] MagnumManiac, The bulge on belted magnums happens just "above" the case web. If a case is going to stretch - this is where it will happen. That's why you only see case separations in this part of the case. So, why does this bulge happen only on belted cases? It's because factory loads headspace on the belt (and headspace at the shoulder is off by a mile). The very first firing [B]REALLY[/B] stretches (and seriously weakens) the case. That's why belted cases need extra attention when reloading. If you measure the area above the belt (and just above the web) you'll see a large bulge that gets larger at each reloading. New cases start out at .507" above the belt. You need to measure your cases! [IMG]http://www.larrywillis.com/headspace-2.jpg[/IMG] It's obvious that the brass flows forward during firing. In fact, the brass flow you're referring to comes [B]FROM[/B] just above the web. Read my website, and you'll get a better understanding of what happens when firing (and reloading)a belted magnum case. My website fully describes the whole story. If you have more questions, just let me know. - Innovative [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Belted magnums reloading, from scratch
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