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  • Heckler and Koch 81000584 MR556 Upper Receiver KIT 16.5" Medium Contour M-LOK
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  • Heckler and Koch 81000584 MR556 Upper Receiver KIT 16.5" Medium Contour M-LOK

Heckler and Koch 81000584 MR556 Upper Receiver KIT 16.5" Medium Contour M-LOK

MPN: 81000584  |  UPC: 642230262607

PRODUCT DESCRIPTION

Heckler and Koch 81000584: The MR556A1 Upper Receiver Kit includes a complete upper receiver/barrel assembly bolt carrier assembly buffer and buffer spring allowing most high-quality 5.56 mm AR-style rifles to be retrofitted to HK's pusher rod system. - Complete MR556 Upper Receiver/Barrel Assembly HK 16.5 inch cold-hammer forged barrel upper receiver with forward assist extended convertible charging handle HK Free Floating Rail System handguard - Complete MR556 Bolt Group Assembly - Tungsten Filled HK Proprietary Buffer - HK Proprietary Buffer (Action) Spring

    This item is not available to ship to the following state(s):
    California | Illinois | Massachusetts | Washington
SPECS
Type Receiver
Action Bolt Action
Barrel Length 5
SKU ACC-HK-81000584
Country of Manufacture
License Requirement None
Manufacturer Heckler and Koch
Mfg. Part Number 81000584
UPC 642230262607
Caliber/Gauge 5.56x45
Barrel Twist No
Barrel Bore Type No
Barrel Finish No
Barrel Fluting No
Barrel Profile No
Mount Type No
Beam Color No
Firearm Fit AR-15
Threaded Barrel No
Condition New
Free Shipping No
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