H&K Heckler & Koch

MR556 Upper Receiver Kit -16.5" - M-LOK

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SKU:
HKP-17366
MPN:
81000584
  • New - H&K HK MR556 M-LOK 16.5" Upper Receiver Assembly - Black - HKP-17366
  • MR556 Upper Receiver Kit -16.5" - M-LOK
  • MR556 Upper Receiver Kit -16.5" - M-LOK
  • MR556 Upper Receiver Kit -16.5" - M-LOK
  • MR556 Upper Receiver Kit -16.5" - M-LOK
  • MR556 Upper Receiver Kit -16.5" - M-LOK
$1,779.95

Description

New HK Factory German MR556 Upper Kit with M-LOK forearm

Includes:

  • Complete MR556 upper receiver with M-LOK forearm
  • MR556 Bolt group Complete
  • Tungsten Filled HK Buffer
  • HK Buffer Spring
  • One 30 Round HK Steel Maritime Magazine

No FFL required as the upper assembly is only considered a part and not an FFL item. 

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Additional Information

FIREARM MODEL(S):
, HK MR556
CALIBER:
5.56 / .223
MATERIAL:
Steel
COLOR:
Black
ORIGIN:
German
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1 Review

  • 5

    I love it. 560 rounds no jams. Finally got Geissele SSA and SMR parts and an ACOG. We shot dime size...

    Posted by AndrewB on 17th May 2020

    I love it. 560 rounds no jams. Finally got Geissele SSA and SMR parts and an ACOG. We shot dime sized groups out at 50 meters with mk262. Get this... With a HOT barrel 160 rounds later. It was still doing 2-3? groups at 202 yards. Please stock more soon.

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