Grid Defense

Grid Defense 16" 5.56 Quad Rail Upper Receiver - FDE FDE Cerakote Finish Chambered in 5.56 NATO A2 Flash Hider 16" 1:7 Twist 4150 M4 Barrel - Black Nitride Carbine Length Gas System Grid Defense 14"...

GRID DEFENSE 10.5" .300 BLACKOUT UPPER RECEIVER WITH FLASH CAN - FDE Finished in Magpul Flat Dark Earth Cerakote Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:8 Twist 4150 Light HBar...

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 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" 9mm Flash Can Upper Receiver - Flat Dark Earth Finished in Magpul FDE Cerakote Grid Defense 7.5" Upper Receiver Mil Spec 7075-T6 Upper Receiver 7.5" 1:10 Twist 4150 Light HBar...

Grid Defense 16" 7.62x39 Upper Receiver - FDE  Finished in Magpul Flat Dark Earth Chambered in 7.62x39 16" 1:10 Twist 4150 Light HBar Barrel - Black Nitride A2 Muzzle Device 14" Free Floating...

Grid Defense 16" 5.56 Upper Receiver - Flat Dark Earth Upper Receiver Magpul Flat Dark Earth Cerakote Finish Chambered in 5.56x45 NATO 14" M-Lok Rail 16" 1:7 4150 M4 Barrel - Black Nitride...

Grid Defense 16" 300 Blackout Upper Receiver - Flat Dark Earth FDE Cerakote Finish Chambered in .300 Blackout (7.62x35) A2 Flash Hider 16" 1:8 Twist 4150 Light HBar Barrel - Black Nitride Pistol...