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ar-556

  1. New MPR Prep

    Ruger Semi-Auto
    Th other day I picked up my new AR-556 - the MPR version. Holy cow - it was dripping oil and goo right out of the box. I thought I did a good job cleaning it and getting it ready, but apparently not. On the range, several times it would completely miss pulling a round off the top of the mag...
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