Grid Defense

Grid Defense 14" Octagon M-Lok Rail Hard Coat Black Anodized Aircraft Grade Aluminum Octagon Extrusion MIL-STD 1913 Picatinny Rail M-Lok Slots on Four Sides QD Mounts on Each Side Clamp on System...

Grid Defense 7.5" 9mm Upper Receiver  Hard Coat Black Anodized Mil Spec 7075-T6 Upper Receiver 7.5" 1:10 Twist 4150 Light HBar Barrel - Black Nitride 7" Grid Defense Octagon M-Lok Rail A2...

Grid Defense 5.5" 9mm Flash Can Upper Receiver  Hard Coat Black Anodized Made in the USA Dimpled Flash Can 7" Grid Defense Octagon M-Lok Rail Chambered in 9x19 Para 5.5" 1:10 Twist 4150 Light...

Grid Defense 10.5" 7.62x39 Upper Receiver Hard Coat Black Anodized Chambered in 7.62x39 7075-T6 Milspec Upper Receiver 10.5" 1:10 Twist 4150 Steel Light HBar Barrel - Black Nitride .750 Low...

Grid Defense 10.5" 300 Blackout Upper Receiver Hard Coat Black Anodized Chambered in 300 Blackout (7.62x35) 7075-T6 Milspec Upper Receiver 10.5" 1:8 Twist 4150 Steel Light HBar Barrel - Black...

Grid Defense 10.5" 5.56 Upper Receiver Hard Coat Black Anodized Chambered in 5.56x45 NATO 7075-T6 Milspec Upper Receiver 10.5" 1:7 Twist 4150 Steel M4 Barrel - Black Nitride .750 Low Profile Gas...

Grid Defense 16" 7.62x39 Upper Receiver - Black Hard Coat Black Anodized Chambered in 7.62x39 14" M-Lok Rail 16" 1:10 4150 Light HBar Barrel - Black Nitride A2 Flash Hider Carbine Length Gas System...

Grid Defense 16" 9MM Upper Receiver - Black Hard Coat Black Anodized Chambered in 9x19 Para Grid Defense 14" M-Lok Rail 16" 1:10 4150 Light HBar Barrel - Black Nitride 1/2x36 Thread...

Grid Defense 16" .300 Blackout Upper Receiver - Black Hard Coat Black Anodized Chambered in 300 Blackout (7.62x35) 14" M-Lok Rail 16" 1:8 4150 Light HBar Barrel - Black Nitride Pistol Length...

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 5.56x45 NATO Skeletonized Upper...

Grid Defense 10.5" .300 Blackout Flash Can Upper Receiver Hard Coat Black Anodized Finish Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:8 Twist 4150 Light HBar Barrel - Black...

Grid Defense 10.5" 5.56 Flash Can Upper Receiver Hard Coat Black Anodized Finish Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:7 or 1:8 Twist 4150 M4 Profile Barrel - Black Nitride...

Grid Defense 7.5" .300 Blackout Flash Can Upper - Black Made in the USA Pistol Length Gas System Dimpled Flash Can 9" Grid Defense Octagon M-Lok Rail Chambered in .300 Blackout (7.62x35) 1:8 Twist...

Grid Defense 7.5" 5.56 NATO Flash Can Upper - Black Hard Coat Black Anodized Finish Mil-Spec 7075-T6 Upper Receiver 7.5" 1:7 Twist 4150 M4 Barrel - Black Nitride Chambered in 5.56x45 NATO 9"...

GRID DEFENSE BILLET AR-10 STRIPPED UPPER RECEIVER - BLACK  High Profile DPMS Pattern 6061 Billet Aluminum Anodized Black Finish Made in the USA