Grid Defense OD Green 7.5" 5.56 Flash Can Upper Finished in Magpul Olive Drab Green Cerakote 7075-T6 Mil Spec Upper Receiver Chambered in 5.56x45 NATO 1:7 Twist 7.5" 4150 M4 Barrel - Black...
Grid Defense 10.5" 5.56 Flash Can Upper Receiver 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 Chambered in 5...
Grid Defense 5.5" 9mm Blue Titanium Upper Receiver with Tungsten Gray Flash Can High quality AR-15-Upper-Receivers, the new upper with Tungsten Gray Cerakote dimpled AR flash can by Grid Defense...
Grid Defense 5.5" 9mm FDE Upper Receiver with Burnt Bronze Flash Can Upper And Rail Finished in Magpul FDE Cerakote 5.5" 1:10 Twist 4150 Light HBAR Barrel - Black Nitride Made in the USA 7" Grid...
Grid Defense OD Green .300 Blackout Flash Can Upper Receiver - OD Made in the USA 9" Free Floating M-Lok Rail Finished in OD Green Cerakote Dimpled Flash Can .750 Low Profile Gas Block Pistol Length...