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I blew a top cover today while using my Ammunition Store 8mm barrel at the range. It was the first time out with that barrel and I guess the headspace was insufficient, and one of the cases ruptured just above the extractor groove. The gun ran slugguishly for a few rounds and then BOOM, the top cover blew. Has anyone else had this problem? I don't know if the barrel doesnt have the chamber cut deep enough or if it was just an out of battery fire... hopefully the latter. Has anyone else had this problem? It was a KMP trigger and sear just in case it makes a difference.
Thanks for your help
Thanks for your help