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HK-MR556A1 Complete Upper Receiver 10.4″ Barrel, TDyer


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Out of stock

HK-MR556A1 Complete Upper Receiver 10.4″ Barrel, TDyer

NEW & UNFIRED is a Factory HK-MR556A1 Complete Upper Receiver, New Production, Date Code (CB), 2021. Barrel was Cut, Crowned to 10.4″ and Threaded 1/2 X 28 by TDyer Gunsmith. Has a  9″ MLOK Hand Guard with a Picantinny Top Rail. Includes Factory Charging Handle, & Complete Factory MR556  Bolt Carrier Group and Factory Bird Cage Flash-Hider.  Factory Gas Block was Relieved/Opened for Suppressed & Unsuppressed Fire. Test Fired Only by TDyer Gunsmith for Function. Upper is Unfired Since Conversion.

Ready for your SBR or Pistol Build.



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