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Old 01-04-2019, 09:39 AM
ceresco ceresco is offline
 
Join Date: Oct 2009
Posts: 7,730
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It might be helpful if you could provide information on the "base-to-shoulder" dimension of the suspect unfired ammo. I experienced similar case (extractor cut area) failures several years ago in a batch of 30-06 HXP handloads. My theory is the failures are a variation of classic case failure, occurring in the extractor cut rather than the web possibly due to the larger cut on the post 1973? HXP weakening that area of the case. I had taken care to resize my HXP cases to minimum (for match reliability) and was using a 1917 with slightly excessive HS. The aforementioned incident is unique in my experience. Good Shooting. ....
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