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gp 100 327 problem?

  1. gp 100 problem

    Ruger Double Action
    Brought my brand new, right out of the box GP 100 in 327 federal mag to the range for the first time along with my older LCR 327. Three different factory loads all cartridges overexpanded and deformed so that I needed a cleaning rod to remove them from the cylinder. the lowest power...