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Author Topic: 6.5 JDJ Case Life  (Read 777 times)

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Offline HGHunter

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6.5 JDJ Case Life
« on: October 28, 2009, 06:44:38 AM »
Hello all

What is about the average case life everyone is getting from their 6.5 JDJ brass?  Mine don't seem  to last past 4 firings as the necks seem to split.  I only neck size once fire formed and trim when necessary.  I am using published loads with RL-15 under 120 grain NBT seated to 2.885

Thanks
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Offline MePlat

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Re: 6.5 JDJ Case Life
« Reply #1 on: October 28, 2009, 08:49:25 AM »
If you haven't annealed them do so.
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Offline Hopalong7

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Re: 6.5 JDJ Case Life
« Reply #2 on: October 29, 2009, 12:59:46 AM »
     If you're only getting 4 loadings with that stated load something is wrong.  I agree with the annealing but I would also check your headspacing very carefully.  You want it headspacing on the shoulder.  Is your barrel a SSK....if so I'd give ol' JD a call if the problem continues.  I have had a split neck occasionally, but not often.  I'd bet I've got cases that have been loaded 10 times.  A chamber cast might not be a bad idea either.  One of the definate pluses of the 6.5JDJ is the .225 brass....it's tough.
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Offline Graybeard

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Re: 6.5 JDJ Case Life
« Reply #3 on: October 29, 2009, 01:04:14 AM »
As a more direct answer to the question asked you really should get 15-20 firings on a case before it gives up on you if you are not loading too hot and if all else is as it should be. The .225 Win. case is a really strong case and properly loaded and fired in a chamber of proper dimensions there is no reason cases shouldn't last a really long time.

I've gotten 10-15 loads from 7-30 Waters with much weaker brass.
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Offline JD338

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Re: 6.5 JDJ Case Life
« Reply #4 on: October 31, 2009, 06:06:35 AM »
I have loaded cases 12+ times without any issues.
I really like my 6.5 JDJ, she shoots the 120 gr BT at 2400 fps.

JD338
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Offline Jay HHI6818

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Re: 6.5 JDJ Case Life
« Reply #5 on: October 31, 2009, 06:54:21 AM »
 I agree with annealing  the brass. I had the same problem with my 375JDJ brass and after I annealed the brass the split necks stopped. I have probably have 12+ firings on my 6.5JDJ brass but then I anneal all of my brass after 6 firings. I use Varmint Al's annealing method.

http://www.varmintal.com/arelo.htm#Anneal
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Offline HGHunter

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Re: 6.5 JDJ Case Life
« Reply #6 on: October 31, 2009, 01:06:37 PM »
Thanks for the replies.

Yes it is an SSK barrel and I don't think I'm running too hot at 35g of RL-15.

I am going to try annealing the case necks and see how that goes.  And maybe talk to JD also.

Thanks
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Offline jp600rr

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Re: 6.5 JDJ Case Life
« Reply #7 on: November 02, 2009, 03:19:48 PM »
You stated that you are neck sizing your brass. Make sure that you are not bumping the shoulder back. I had a 7 x 30 jdj barral a few years back, and ran into the same probelm very short case life. Then I figured out that my sizing die was adjusted incorrectly, I readjusted it, formed new brass and have gotten well over 10 firings out them since.
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