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      HK MR556 A4 COMPLETE UPPER – RECEIVER 5.56 16.5″ BARREL

      HK MR556 A4 COMPLETE UPPER – RECEIVER 5.56 16.5″ BARREL
      $2,179.00
      1 in stock

      1 in stock

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      Additional information

      UPC

      642230270213
      Manufacturer

      Heckler & Koch / H&K
      Manufacturer Part Number

      51000384
      Length

      43.9500
      Caliber/Gauge

      .223 REM/5.56 NATO
      Barrel Length

      16.5
      Barrel Finish

      Stainless
      Color

      Black
      Model

      MR556 A4 Upper Receiver
      Product Type

      Upper
      Package Width

      13.5
      Rate of Twist

      1-in-7"
      Shipping Weight

      11.3
      Package Height

      3.5

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