Grid Defense

Grid Defense 16" 5.56 Upper Receiver - Tungsten Gray  Tungsten Gray Cerakote Finish Chambered in 5.56x45 NATO 14" M-Lok Rail 16" 1:7 4150 M4 Barrel - Black Nitride Carbine Length Gas System A2...

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

Grid Defense Stainless Steel 16" 300 Blackout Upper Receiver - Tungsten Gray Tungsten Gray Cerakote Finish Chambered in .300 Blackout (7.62x35) Stainless Steel A2 Flash Hider 16" 1:8 Twist 416R...

Grid Defense Stainless Steel 16" 556 Upper Receiver - Tungsten Gray Tungsten Gray Cerakote Finish Chambered in 5.56 NATO Stainless Steel A2 Flash Hider 16" 1:7 Twist 416R Stainless Steel Barrel...

GRID DEFENSE BILLET AR-10 STRIPPED UPPER RECEIVER - TUNGSTEN GRAY  High Profile DPMS Pattern 6061 Billet Aluminum Tungsten Gray Cerakote Finish Made in the USA