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Rifles, Reloading, Optics, Equipment
Reloading
First case head separation
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<blockquote data-quote="VarmintBob" data-source="post: 2909716" data-attributes="member: 124886"><p>Cases stretch every time you fire them. The cables holding up the golden gate bridge stretch when a sparrow lands on the road. It's all just a matter of degree. If you can fire any case enough times it will split on the body somewhere due to this stretching. High pressure and exaggerated body taper cause more stretching. Some cases split near the base. Some (like 223 Rem) split further up. If you bump the shoulder back more than a couple thou when resizing the splits happen earlier in the case life cycle. I've had cases split at 4 firings when doing everything right. I have a friend with ADG 22 GT brass that has made it through 19 firings.</p></blockquote><p></p>
[QUOTE="VarmintBob, post: 2909716, member: 124886"] Cases stretch every time you fire them. The cables holding up the golden gate bridge stretch when a sparrow lands on the road. It's all just a matter of degree. If you can fire any case enough times it will split on the body somewhere due to this stretching. High pressure and exaggerated body taper cause more stretching. Some cases split near the base. Some (like 223 Rem) split further up. If you bump the shoulder back more than a couple thou when resizing the splits happen earlier in the case life cycle. I've had cases split at 4 firings when doing everything right. I have a friend with ADG 22 GT brass that has made it through 19 firings. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
First case head separation
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