Grid Defense

Grid Defense 7" Octagon M-Lok Handguard Hard Coat Black Anodized 6000 Series Aluminum Octagon Extrusion MIL-STD 1913 Picatinny Rail M-Lok Slots on Four Sides Clamp on System for Easy Assembly ...

Grid Defense 9" Octagon M-Lok Rail  Hard Coat Black Anodized Grid Defense M-Lok Rail 6000 Series  Aluminum Octagon Extrusion MIL-STD 1913 Picatinny Rail M-Lok slots on four sides QD mounts...

Grid Defense 12" Octagon M-Lok Rail Hard Coat Black Anodized 6000 Series Aluminum Octagon Extrusion MIL-STD 1913 Picatinny Rail M-Lok Slots on Four Sides QD Mounts on Each Side Clamp on System for...

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" 7.62x39 Upper Receiver Finished in Magpul Olive Drab Green Cerakote Chambered in 7.62x39 7075-T6 Milspec Upper Receiver 10.5" 1:10 Twist 4150 Steel Barrel - Black Nitride .750 Low...

Grid Defense 10.5" 5.56 Upper Receiver Finished in Magpul Olive Drab Green Cerakote Chambered in 5.56x45 NATO 7075-T6 Milspec Upper Receiver 10.5" 1:7 Twist 4150 Steel M4 Barrel - Black Nitride .750...

Grid Defense 10.5" .300 Blackout Stainless Steel Upper Receiver Finished in Magpul Olive Drab Green Cerakote Mil-Spec 7075-T6 Upper Receiver 10.5" 1:8 Twist 416R Stainless Steel Barrel Chambered in ...

Grid Defense 7.5" 9mm Upper Receiver  Finished in Magpul Olive Drab Green Cerakote Mil Spec 7075-T6 Upper Receiver 7.5" 1:10 Twist 4150 Light HBar Barrel - Black Nitride 7" Grid Defense Octagon...

GRID DEFENSE 10.5" UPPER - .300 BLACKOUT UPPER RECEIVER WITH FLASH CAN - OD GREEN Finished in Magpul Olive Drab Green Cerakote Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:8 Twist...

Grid Defense Stainless Steel 7.5" .300 Blackout Upper Receiver Magpul Olive Drab Green Cerakote Finish Chambered in .300 Blackout (7.62x35) Stainless Steel A2 Flash Hider 7.5" 1:8 Twist 416R...