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HK-MR556A1 Complete CQB Upper Receiver 10.4″ Barrel, HK Adjustable Gas Block, “Warcomp” Socom F/H & Factory HK Quad Rail by TDyer – 143-037434

$3,950.00

PLUS $30.00 SHIPPING

HK-MR556A1 Complete CQB Upper Receiver 10.4″ Barrel, HK Adjustable Gas Block, “Warcomp” Socom F/H & Factory HK Quad Rail by TDyer – 143-037434

NEW & UNFIRED is a Factory HK-MR556A1 CQB Complete Upper Receiver,10.4″ Barrel With a Factory HK Adjustable Gas Block and More.  New Production Date Code (CD) – 2023.  S/N 143-037434.

Barrel was Cut & Crowned to 10.4″ and Threaded 1/2 X 28 by TDyer Gunsmith. Barrel Gas Port was relieved for a Factory German HK-416 2-Position  Adjustable Gas Block With Sling Loops, for Suppressed & Unsuppressed Cycling. Includes a Factory German HK 9″Inch HK416 T-Marked Quad Rail Hand Guard that was Modified with a Cut-out for Access to the Adjustable Gas Block & Marked N/S and a Surefire “Warcomp” Socom Flash Hider/Suppressor Mount. File Pics Shows w/o AGB Sling Loops but Included – See Additional Pics for that Detail.

This New & Unfired Factory Upper Receiver Comes Complete with the Factory Charging Handle & Complete Factory MR556 Bolt Carrier Group for a Complete Drop-in Plug-n-Play Unit.

Test Fired in both Configurations by Terry Dyer Gunsmith Only for Function.

Includes a “Certificate of Authenticity” with Serial Number from TDyer Gunsmith for the Upper Receiver Conversion to 10.4″.

Ready for your Short Barrel Rifle or Pistol Build.

ALL NFA RULES APPLY.

 

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