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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

 LIKE-NEW IN EXCELLENT CONDITION is a Factory HK-MR556A1 Complete Upper Receiver, New Production, Date Code (BI), . Less than 200rds in Standard Rifle Configuration Prior to the conversion. Barrel was Cut, Crowned to 10.4″ and Threaded 1/2 X 28 by TDyer Gunsmith. Includes a  9″ Factory New or Like-New HK MRS Keymod Hand Guard with Side Rails. Includes Charging Handle, & Complete Bolt Carrier Group.  Factory Gas Block was Relieved/Opened for Suppressed & Unsuppressed Fire. Test Fired Only by TDyer Gunsmith for Function. Upper is Unfired Since the Conversion.

Ready for your SBR or Pistol Build.



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