HKParts Posted July 13, 2018 Report Share Posted July 13, 2018 Upper Conversion Kit - HK MR556 & HK 416 14.5" 556 - $699.95 HK PARTS In stock and ready to ship today. HKPARTS https://www.hkparts.net/ (801) 987-3494 Quote Link to comment Share on other sites More sharing options...
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