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one of us |
Good day I hope someone here reloads the 375JDJ and can help me. I just bought this barrel used a little over a year ago and am having difficulty making my brass last. I'm only getting about three loadings from my brass and then I start getting head separations. My loads are accurate, the shells insert easily and they extract easily also. The only problem is they start breaking off about a quarter of an inch from the rim after about three loadings. I should get more loadings than that shouldn't I?????????? Thanks Mike PS I'll be posting this on the single shot sites also | ||
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one of us |
Well, since the JDJ headspaces on the rim, I would say you are trimming them too short. | |||
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Moderator |
Mike, Try the following. measure the case before you shoot it, length, widdth at seperation and shoulder (top and bottom). then fire it and compare. It's easily possible that you've either got a long chamber or short dies, and either one will allow the case to strech. but, correct me if I am wrong here, aren't the contenders known for shorter case life? and we haven't talked about your load. Is it a stiff load? that "flimsy" <flame shields> contender doesn't like pressure or bolt thrust. jeffe | |||
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Moderator |
The keys to long case life in the .375JDJ are:
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