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KAK Industry K-SPEC Enhanced Bolt Carrier Group – Black
KAK Industry K-SPEC EnhancedBolt Carrier GroupFor AR15556/300 BlackoutChrome LinedPhosphate FinishBlackDuel EjectorC158 Steel BoltFeatures:C158 Dual Ejector BoltDownward Gas PortsSlotted Angled Carrier Rail CutsFull Auto ProfileChrome Lined Phosphate