Quote:
Originally Posted by tikka250
Hmmm interesting. Last year i had a batch of federal brass that went at the third firing. Of 80 cases probably %30 of them had case head seperation or cracks with a mid book load shot in a m305 (yes the headspace has been checked) not saying loading practices are not to blame in your case just saying it may be partialy brass related.
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Semi autos are hard on brass regardless. Try lubing the brass in the semi with a very thin slick lubricant. Greatly increases case life. I like to wipe the cases with a rag sprayed with spray on lithium grease.