Grid Defense

Grid Defense 10.5" 9mm Upper Receiver - Blue Titanium Finished in Blue Titanium Cerakote Mil Spec 7075-T6 Upper Receiver 10.5" 9MM Barrel Chrome Moly Vanadium 1:10 Twist Rate Straight Profile...

Grid Defense 16" 9mm Stainless Steel Upper Receiver - Blue Titanium Milspec 7075-T6 Upper Receiver 16" 416R Stainless Steel Barrel with 1:10 Twist Rate 1/2x36 Thread Pattern 14" Grid Defense Octagon...

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 GX2 7.5" 9MM Flash Can Upper Mil-Spec 7075-T6 Upper Receiver 7.5" 1:10 Twist 4150 Barrel - Black Nitride Chambered in 9X19 Para 9" Grid Defense GX2 Octagon M-Lok Rail Dimpled Flash...

Grid Defense 7.5" 9mm Upper Receiver  Finished in Blue Titanium 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 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 16" 9mm Upper Receiver - Blue Titanium Finished in Blue Titanium Cerakote Milspec 7075-T6 Upper Receiver 16" 1:10 Twist 4150 Light HBar Barrel - Black Nitride 1/2x36 Thread Pattern 14"...

Grid Defense 7.5" 9mm Flash Can Upper Receiver - Blue Titanium  Finished in Blue Titanium Cerakote Mil Spec 7075-T6 Upper Receiver 7.5" 1:10 Twist 4150 Light HBar Barrel - Black Nitride 9" Grid...