Grid Defense

Grid Defense GX2 7.5" 5.56 NATO Flash Can Upper Mil-Spec 7075-T6 Upper Receiver 7.5" 1:7 Twist 4150 M4 Barrel - Black Nitride Chambered in 5.56x45 NATO 9" Grid Defense GX2 Octagon M-Lok Rail Dimpled...

Grid Defense 16" .300 Blackout Quad Rail Upper Receiver - Tungsten Gray Tungsten Gray Cerakote Finish Chambered in .300 Blackout 14" M-Lok Quad Rail 16" 1:8 4150 Barrel - Black Nitride Pistol Length...

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

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

Grid Defense 16" 5.56 Quad Rail Upper Receiver - Tungsten Gray Tungsten Gray Cerakote Finish Chambered in 5.56x45 NATO 14" M-Lok Quad Rail 16" 1:7 4150 M4 Barrel - Black Nitride Carbine Length Gas...

 GRID DEFENSE 10.5" .300 BLACKOUT DIMPLED FLASH CAN UPPER TUNGSTEN GRAY  Finished in Tungsten Gray Cerakote 300 Blackout Flash Can Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5"...

Grid Defense 10.5" 7.62x39 Upper Receiver Finished in Tungsten Gray Cerakote Chambered in 7.62x39 7075-T6 Milspec Upper Receiver 10.5" 1:10 Twist 4150 Steel Barrel - Black Nitride .750 Low Profile...

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

Grid Defense 10.5" .300 Blackout Upper Receiver Finished in Tungsten Gray Cerakote Mil-Spec 7075-T6 Upper Receiver 10.5" 1:8 Twist 416R Stainless Steel Barrel Chambered in .300 Blackout (7.62x35) A2...

Grid Defense 7.5" 9mm Upper Receiver  Finished in Tungsten Gray Cerakote Mil Spec 7075-T6 Upper Receiver 7.5" 1:10 Twist 4150 Light HBar Barrel - Black Nitride 7" Grid Defense Octagon M-Lok...

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

Grid Defense Stainless Steel 7.5" 5.56 Upper Receiver Tungsten Gray Cerakote Finish Chambered in 5.56 NATO Stainless Steel A2 Flash Hider 7.5" 1:7 Twist 416R Stainless Steel Barrel - M4 Profile...

Grid Defense 7.5" .300 Blackout Upper Receiver  Finished in Tungsten Gray Cerakote Mil Spec 7075-T6 Upper Receiver 7.5" 1:8 Twist 4150 Light HBAR Barrel - Black Nitride 7" Grid Defense Octagon...

Grid Defense 7.5" 5.56 Upper Receiver  Finished in Tungsten Gray Cerakote AR15 Skeletonized Upper Mil Spec 7075-T6 Upper Receiver 7.5" 1:7 Twist 4150 M4 Barrel - Black Nitride 7" Grid Defense...

Grid Defense Stainless Steel 10.5" 5.56 Upper Receiver High quality AR15 upper receivers Tungsten Gray Cerakote Finish Stainless Steel AR 15 Upper Receiver Chambered in 5.56 NATO Grid Defense...

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" .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 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 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" 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...