Grid Defense

Grid Defense Stainless Steel 10.5" 5.56 Upper Receiver Purple Cerakote Finish Chambered in 5.56 NATO Grid Defense Mil Spec 7075 T6 Upper Receiver Grid Defense 9" M-Lok Free Float Hand Guard Carbine...

Grid Defense Stainless Steel 10.5" 5.56 Upper Receiver Magpul Olive Drab Green Cerakote Finish Chambered in 5.56 NATO Grid Defense Mil Spec 7075 T6 Upper Receiver Grid Defense 9" M-Lok Free Float...

Grid Defense Stainless Steel 10.5" 5.56 Upper Receiver Magpul Flat Dark Earth Cerakote Finish Chambered in 5.56 NATO Grid Defense Mil Spec 7075 T6 Upper Receiver Grid Defense 9" M-Lok Free Float...

Grid Defense Stainless Steel 10.5" 5.56 Upper Receiver Blue Titanium Cerakote Finish Chambered in 5.56 NATO Grid Defense Mil Spec 7075 T6 Upper Receiver Grid Defense 9" M-Lok Free Float Hand Guard...

Grid Defense Stainless Steel 10.5" 556 Upper Receiver Burnt Bronze Cerakote Finish Chambered in 5.56 NATO Stainless Steel A2 Flash Hider 10.5" 1:7 Twist 416R Stainless Steel Barrel - M4 Profile...

Grid Defense 14" Octagon M-Lok Rail Finished in Tungsten Gray Cerakote 6000 Series Aluminum Octagon Extrusion MIL-STD 1913 Picatinny Rail M-Lok Slots on Four Sides QD Mounts on Each Side Clamp on...

Grid Defense 14" Octagon M-Lok Rail Finished in Purple Cerakote 6000 Series Aluminum Octagon Extrusion MIL-STD 1913 Picatinny Rail M-Lok Slots on Four Sides QD Mounts on Each Side Clamp on System...

Grid Defense 14" Octagon M-Lok Rail Finished in Magpul Olive Drab Green Cerakote 6000 Series Aluminum Octagon Extrusion MIL-STD 1913 Picatinny Rail M-Lok Slots on Four Sides QD Mounts on Each Side...

Grid Defense 14" Octagon M-Lok Rail Finished in Magpul Flat Dark Earth Cerakote 6000 Series Aluminum Octagon Extrusion MIL-STD 1913 Picatinny Rail M-Lok Slots on Four Sides QD Mounts on Each Side...

Grid Defense 14" Octagon M-Lok Rail Finished in Blue Titanium Cerakote 6000 Series Aluminum Octagon Extrusion MIL-STD 1913 Picatinny Rail M-Lok Slots on Four Sides QD Mounts on Each Side Clamp on...

Grid Defense 14" Octagon M-Lok Rail Finished in Burnt Bronze Cerakote 6000 Series Aluminum Octagon Extrusion MIL-STD 1913 Picatinny Rail M-Lok Slots on Four Sides QD Mounts on Each Side Clamp on...

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 10.5" 5.56 Dimpled Flash Can Upper in Tungsten Gray  The best Mil-Spec upper receiver, the new 5.56 upper receiver with AR flash can. Finished in tungsten gray cerakote Made in the...

Grid Defense 10.5" 5.56 Flash Can Upper Receiver Finished in Purple Cerakote 5.56 Upper Receiver Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:7 Twist 4150 M4 Profile Barrel - Black...

GRID DEFENSE 10.5" 5.56 FLASH CAN UPPER RECEIVER - OD GREEN Finished in OD Green Cerakote Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:7 Twist 4150 M4 Profile Barrel - Black Nitride...

GRID DEFENSE 10.5" FLASH CAN UPPER - FDE 5.56 UPPER RECEIVER Finished in Magpul Flat Dark Earth Cerakote Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:7 Twist 4150 M4 Profile Barrel -...

Grid Defense 10.5" 5.56 Flash Can Upper Receiver Finished in Blue Titanium Cerakote Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:7 Twist 4150 M4 Profile Barrel - Black Nitride Chambered...

Grid Defense 10.5" 5.56 Flash Can Upper Receiver Finished in Burnt Bronze Cerakote Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:7 Twist 4150 M4 Profile Barrel - Black...

Grid Defense 10.5" .300 Blackout Upper Receiver - Tungsten Gray Finished in Tungsten Gray Cerakote Mil-Spec 7075-T6 Upper Receiver 10.5" 1:8 Twist 4150 Steel Barrel - Black Nitride Chambered in .300...

Grid Defense 10.5" .300 Blackout Upper Receiver - Tactical Grape Finished in Purple Cerakote Mil-Spec 7075-T6 Upper Receiver 10.5" 1:8 Twist 4150 Steel Barrel - Black Nitride Chambered in .300...