Home » HK 51000384 MR556 Piston Upper Receiver Kit 5.56mm for AR15/M16/M4
HK 51000384 MR556 Piston Upper Receiver Kit 5.56mm for AR15/M16/M4
HK 51000384 MR556 Piston Upper Receiver Kit 5.56mm for AR15/M16/M4

HK 51000384 MR556 Piston Upper Receiver Kit 5.56mm for AR15/M16/M4

pieces
MSRP: $2,259.00
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Specifications Description Reviews (0)
UPC 642230270213
Brand HK
Condition New