GRID DEFENSE 16″ 5.56 QUAD RAIL UPPER RECEIVER – FDE
- FDE Cerakote Finish
- Chambered in 5.56 NATO
- A2 Flash Hider
- 16″ 1:7 Twist 4150 M4 Barrel – Black Nitride
- Carbine Length Gas System
- Grid Defense 14″ M-Lok Free Float Quad Rail
- Grid Defense Mil-Spec 7075 T6 Upper Receiver
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