Grid Defense

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...

Grid Defense 10.5" .300 Blackout Upper Receiver - OD Green Finished in Magpul Olive Drab Green Cerakote Mil-Spec 7075-T6 Upper Receiver 10.5" 1:8 Twist 4150 Steel Barrel - Black...

Grid Defense 10.5" .300 Blackout Upper Receiver - FDE Finished in Magpul Flat Dark Earth 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 - Blue Titanium Finished in Blue Titanium 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 - Burnt Bronze Finished in Burnt Bronze Cerakote Mil-Spec 7075-T6 Upper Receiver 10.5" 1:8 Twist 4150 Steel Barrel - Black Nitride Chambered in .300...

Grid Defense 5.5" 9mm Flash Can Upper Receiver - Tungsten Gray Finished in Tungsten Gray Cerakote Made in the USA Dimpled Flash Can 7" Grid Defense Octagon M-Lok Rail Chambered in 9x19 Para 5...

Grid Defense 5.5" 9mm Flash Can Upper Receiver - Tactical Grape Made in the USA Finished in Purple Cerakote 5.5" 1:10 Twist 4150 Light HBAR Barrel - Black Nitride Chambered in 9x19 Para 7" Grid...

Grid Defense 5.5" 9mm Flash Can Upper Receiver - OD Green Dimpled Flash Can Chambered in 9x19 Para 7" Grid Defense Octagon M-Lok Rail 5.5" 1:10 Twist 4150 Light HBar Barrel - Black Nitride Finished...