Grid Defense

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...

Grid Defense 5.5" 9mm Flash Can Upper Receiver - Flat Dark Earth Finished in Magpul FDE Cerakote 5.5" 1:10 Twist 4150 Light HBAR Barrel - Black Nitride Made in the USA 7" Grid Defense Octagon M-Lok...

Grid Defense 5.5" 9mm Flash Can Upper Receiver - Blue Titanium High quality AR-15-Upper-Receivers, the new upper with dimpled AR flash can by Grid Defense. Finished in blue titanium cerakote Made in...

Grid Defense 5.5" 9mm Flash Can Upper Receiver - Burnt Bronze Finished in Burnt Bronze Cerakote Mil Spec 7075-T6 Upper Receiver 5.5" 1:10 Twist 4150 Light HBar Barrel - Black Nitride 7" Grid Defense...

Grid Defense 7.5" .300 Blackout Flash Can Upper Receiver Finished in Tungsten Gray Cerakote Mil-spec 7075-T6 Upper Receiver 7.5" 1:8 Twist 4150 Light HBar Barrel - Black Nitride 9" Octagon M-Lok...

Grid Defense 7.5" .300 Blackout Pistol Upper Receiver - Tactical Grape Made in the USA Chambered in .300 Blackout (7.62x35) 7.5" 1:8 Twist 4150 Light HBar Barrel - Black Nitride Pistol Length...

Grid Defense OD Green .300 Blackout Flash Can Upper Receiver Made in the USA 9" Free Floating M-Lok Rail Finished in Magpul OD Green Cerakote Dimpled Flash Can - 5/8x24 Thread Pattern .750 Low...

Grid Defense 7.5" .300 Blackout Pistol Upper Receiver - Flat Dark Earth Chambered in .300 Blackout 7.5" 1:8 Twist 4150 Light HBar Barrel - Black Nitride 7075-T6 Milspec Upper Receiver Pistol Length...

Grid Defense 7.5" .300 Blackout Upper Receiver - Blue Titanium Finished in Blue Titanium Cerakote Made in the USA Mil-spec 7075-T6 Upper Receiver Chambered in .300 Blackout (7.62x35) 1:8 Twist 4150...

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" .300 Blackout Flash Can Upper Receiver - Burnt Bronze Made in the USA Chambered in .300 Blackout (7.62x35) Dimpled Flash Can  Pistol Length Gas System 9" Grid Defense Octagon...

Grid Defense 7.5" 5.56 Flash Can Upper - Tungsten Gray Finished in Tungsten Gray Cerakote 7075-T6 MilSpec Upper Receiver 7.5" 1:7 Twist 4150 Barrel - Black Nitride Chambered in 5.56x45 NATO Dimpled...

GRID DEFENSE 7.5 Upper With Flash Can - 5.56 Upper Receiver- TACTICAL GRAPE Finished in Purple Cerakote Chambered in 5.56x45 NATO 1:7 Twist 7.5" 4150 M4 Barrel - Black Nitride Dimpled Flash Can 9"...

Grid Defense OD Green 7.5" 5.56 Flash Can Upper  Finished in Magpul Olive Drab Green Cerakote 7075-T6 Mil Spec 5.56 Upper Receiver Chambered in 5.56x45 NATO 1:7 Twist 7.5" 4150 M4 Barrel -...