Grid Defense

Grid Defense 16" .450 Bushmaster Upper Receiver - OD Green Finished in Olive Drab Green Cerakote Chambered in .450 Bushmaster 14" Free Floating M-Lok Handrail 16" 4150 Black Nitride...

Grid Defense 16" .450 Bushmaster Upper Receiver - Burnt Bronze Finished in Burnt Bronze Cerakote Chambered in .450 Bushmaster 14" Free Floating M-Lok Handrail 16" 4150 Black Nitride...

Grid Defense 16" .450 Bushmaster Upper Receiver - FDE Hard Coat Flat Dark Earth Finish Chambered in .450 Bushmaster 14" Free Floating M-Lok Handrail 16" 4150 Black Nitride Barrel 1:24 Twist...

Grid Defense 16" .450 Bushmaster Upper Receiver - Black Hard Coat Black Anodized Finish Chambered in .450 Bushmaster 14" Free Floating M-Lok Handrail 16" 4150 Black Nitride Barrel 1:24 Twist...

Grid Defense Stainless Steel 16" .223 Wylde Upper Receiver - Tungsten Gray Tungsten Gray Cerakote Finish Chambered in .223 Wylde 16" 416R Stainless Steel Barrel 1:8 Twist Rate 1/2x28 TPI Thread...

Grid Defense Stainless Steel 16" .223 Wylde Upper Receiver - Blue Titanium Blue Titanium Cerakote Finish Chambered in .223 Wylde 16" 416R Stainless Steel Barrel 1:8 Twist Rate 1/2x28 TPI...

Grid Defense Stainless Steel 16" .223 Wylde Upper Receiver - Burnt Bronze Burnt Bronze Cerakote Finish Chambered in .223 Wylde 16" 416R Stainless Steel Barrel 1:8 Twist Rate 1/2x28 TPI Thread...

Grid Defense Stainless Steel 16" .223 Wylde Upper Receiver - OD Green Magpul OD Green Cerakote Finish Chambered in .223 Wylde 16" 416R Stainless Steel Barrel 1:8 Twist Rate 1/2x28 TPI Thread...

Grid Defense Stainless Steel 16" .223 Wylde Upper Receiver - FDE Flat Dark Earth Cerakote Finish Chambered in .223 Wylde 16" 416R Stainless Steel Barrel 1:8 Twist Rate 1/2x28 TPI Thread...

Grid Defense Stainless Steel 16" .223 Wylde Upper Receiver - Black Hard Coat Black Anodized Finish Chambered in .223 Wylde 16" 416R Stainless Steel Barrel  1:8 Twist Rate 1/2x28 TPI...

Grid Defense AR-10/.308 Mil-Spec Carbine Buffer Tube Kit Made in the USA Compatible with M4 Type Butt Stocks 6 Position Carbine Buffer Tube Machined from 7075-T6 Aluminum End Plate Castle...

Grid Defense 16" .22LR Upper Receiver - Blue Titanium Milspec 7075-T6 Upper Receiver 16" 4150 Black Nitride Barrel Pencil Lightweight Profile Barrel 1:16 Twist Rate 1/2x28 Thread Pattern 14"...

Grid Defense 16" .22LR Upper Receiver - Tungsten Gray Milspec 7075-T6 Upper Receiver 16" 4150 Black Nitride Barrel Pencil Lightweight Profile Barrel 1:16 Twist Rate 1/2x28 Thread Pattern 14"...

Grid Defense 16" .22LR Upper Receiver - OD Green Milspec 7075-T6 Upper Receiver 16" 4150 Black Nitride Barrel Pencil Lightweight Profile Barrel 1:16 Twist Rate 1/2x28 Thread Pattern 14" Grid...

Grid Defense 16" .22LR Upper Receiver - Burnt Bronze Milspec 7075-T6 Upper Receiver 16" 4150 Black Nitride Barrel Pencil Lightweight Profile Barrel 1:16 Twist Rate 1/2x28 Thread Pattern 14"...

Grid Defense 16" .22LR Upper Receiver - FDE Milspec 7075-T6 Upper Receiver 16" 4150 Black Nitride Barrel Pencil Lightweight Profile Barrel 1:16 Twist Rate 1/2x28 Thread Pattern 14" Grid Defense...

Grid Defense 16" .22LR Upper Receiver - Black Milspec 7075-T6 Upper Receiver 16" 4150 Black Nitride Barrel Pencil Lightweight Profile Barrel 1:16 Twist Rate 1/2x28 Thread Pattern 14" Grid Defense...

Grid Defense 18" 350 Legend Upper Receiver - Tungsten Gray Tungsten Gray Cerakote Finish Chambered in 350 Legend A2 Flash Hider 18" 1:16 Twist 4150 Barrel - Black Nitride Carbine Length Gas System...

Grid Defense 18" 350 Legend Upper Receiver - OD Green Magpul OD Green Cerakote Finish Chambered in 350 Legend A2 Flash Hider 18" 1:16 Twist 4150 Barrel - Black Nitride Carbine Length Gas System Grid...

Grid Defense 18" 350 Legend Upper Receiver - Burnt Bronze Burnt Bronze Cerakote Finish Chambered in 350 Legend A2 Flash Hider 18" 1:16 Twist 4150 Barrel - Black Nitride Carbine Length Gas System...