HK MR556 Complete Upper Receiver Kit

HK MR556 Complete Upper Receiver Kit

Heckler & Koch Firearms

SKU:

81000584

$1,749.00

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German manufactured Heckler & Koch MR556 complete upper receiver kit. It features a 16.5-inch, cold hammer forged barrel, A2 bird cage muzzle device, M-LOK free-float handguard, full length picatinny rail for optics, extended convertible charging handle, HK Bolt Carrier Group, and a proprietary Heckler & Koch buffer spring. This ships as shown in its factory soft carry case.