Heckler Koch Hk Mr556 Upper Receiver Kit Includes Bolt Buffer Buffer Spring Rifle Length M lok Handguard and 165 Medium Contour Barrel Assembly
Heckler Koch Hk Mr556 Upper Receiver Kit Includes Bolt Buffer Buffer Spring Rifle Length M lok Handguard and 165 Medium Contour Barrel Assembly

Heckler & Koch HK MR556 Upper Receiver Kit

Heckler & Koch HK MR556 Upper Receiver Kit – includes bolt, buffer, buffer spring, rifle length M-LOK handguard and 16.5″ medium contour barrel assembly

MPN: 81000584
UPC: 642230262607

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SKU: HKLE-81000584 Category: Tags: ,

Description

Heckler & Koch HK MR556 Upper Receiver Kit – includes bolt, buffer, buffer spring, rifle length M-LOK handguard and 16.5″ medium contour barrel assembly

MPN: 81000584
UPC: 642230262607

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