BARREL MANDREL HK416 MR556 NEFARIOUS ARMS

$139.00

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Genuine Nefarious Arms barrel mandrel / upper receiver assembly / disassembly tool.

Seeing the need for a more comprehensive upper receiver tool Nefarious Arms re-engineered the barrel mandrel as we know it and made some significant improvements.

This tool is compatible with the HK416 & MR556 uppers it is also compatible with all Mil-Spec AR uppers & barrel extensions,
in addition it is compatible with Knights Armament SR-15 & SR-16 E3 barrel extension.

In my opinion this is the best upper receiver tool on the market.

Finish -White Zinc Dichromate

🇺🇸 Made In USA.

  • Photos of the tool with a black finish are for reference purposes only, actual tools shipping are finished in White Zinc Dichromate