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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

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 No
Threaded Barrel No
Condition New
Free Shipping No
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