Black Knight M4 CNC Aluminum GBB Outer 2 Piece Barrel System 9in. and 14in. for M4 GBB Black

Black Knight M4 CNC Aluminum GBB Outer 2 Piece Barrel System 9in. and 14in. for M4 GBB Black

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  • $39.95
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The Black Knight M4 CNC Aluminum GBB Outer 2 Piece Barrel System 9in. and 14in. for M4 GBB Black destined to impress, and priced at only $39.95, for a limited time.

Inventory Last Updated: Nov 08, 2025