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Rifles, Reloading, Optics, Equipment
Reloading
new to wildcatting...help!
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<blockquote data-quote="Mysticplayer" data-source="post: 66778" data-attributes="member: 8947"><p>Never had a problem with case neck stretching using the COW method simply because pressures are quite low. The process just uses the COW to push the case to fit the chamber. </p><p></p><p>The COW might even lap the barrel a bit. Try and prove that one /ubbthreads/images/graemlins/smile.gif</p><p></p><p>you can use once fired brass. The caveat is don't size the brass anymore then you have to. If you use a case that had a high pressure forming, squishing it down a bunch then expanding again will lead to case head separation in short order.</p><p></p><p>I just throw once fired brass into the chamber and hope it fits. Then I have no issue to COW them and use them. If the case does not fit, I will partial size so that they are a firm fit when chambered. This keeps everything nice and tight so no case head stretching occurs..at least as little as possible.</p><p></p><p>I also rarely anneal case necks anymore. As long as there are no splits in the first 3 to 5 loadings, the annealing is good enough.</p><p></p><p>Jerry</p></blockquote><p></p>
[QUOTE="Mysticplayer, post: 66778, member: 8947"] Never had a problem with case neck stretching using the COW method simply because pressures are quite low. The process just uses the COW to push the case to fit the chamber. The COW might even lap the barrel a bit. Try and prove that one [img]/ubbthreads/images/graemlins/smile.gif[/img] you can use once fired brass. The caveat is don't size the brass anymore then you have to. If you use a case that had a high pressure forming, squishing it down a bunch then expanding again will lead to case head separation in short order. I just throw once fired brass into the chamber and hope it fits. Then I have no issue to COW them and use them. If the case does not fit, I will partial size so that they are a firm fit when chambered. This keeps everything nice and tight so no case head stretching occurs..at least as little as possible. I also rarely anneal case necks anymore. As long as there are no splits in the first 3 to 5 loadings, the annealing is good enough. Jerry [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
new to wildcatting...help!
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