BHBret

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About BHBret

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    Bret
  1. I had a very similar issue with a Dillon 550B and Dillon dies loading 9mm with 124 MG JHP's. After various adjustment of dies and a lot of research online seeing other people with similar problems I went the recommended route of using a Redding competition seating die. I've had no issues with several hundred rounds. I check each loaded round in a Dillon gage after some of the earlier rounds (pre-Redding) really locked up my M&P. Sent from my iPhone using Tapatalk