Grid Defense 16″ 5.56 Upper Receiver – Black

• Premium AR upper receiver, the new 5.56 AR upper from Grid Defense.With hard coat black anodized.
• Chambered in 5.56×45 NATO
• Skeletonized Upper Receivers
• 14″ M-Lok Rail
• 16″ 1:7 4150 M4 Barrel – Black Nitride
• Carbine Length Gas System
• A2 Flash Hider
• Mil-Spec 7075-T6 Upper Receiver