Grid Defense

Grid Defense 20" 6.5 Grendel Upper Receiver - OD Green Upper Specifications Mil-Spec Upper Design Machined from 7075-T6 Forging Mil-Spec dust cover and forward assist Made in the USA 14" Free...

Grid Defense 18" 6.5 Creedmoor Billet Upper - OD Green Upper Specifications Billet Upper Receiver Machined from 6061 Aluminum Fits DPMS Gen 1 Lower Receivers Made in the USA High Profile 15"...

Grid Defense 16" 8.6 Blackout Billet Upper - OD Green Billet DPMS High Profile Pattern upper 16" 4150 chrome moly barrel Carbine length gas system Chambered in 8.6 Blackout 1:10 Twist...

Grid Defense 18" 6mm ARC Upper Receiver - OD Green Finished in OD Green Cerakote Chambered in 6mm ARC 14" Free Float M-Lok Rail 18" 4150 Heavy Profile Barrel - Black Nitride 1:8 Twist Rate ...

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

Grid Defense 20" 350 Legend Upper Receiver - OD Green Magpul OD Green Cerakote Finish Chambered in 350 Legend A2 Flash Hider 20" 1:16 Twist 4150 Barrel - Black Nitride Carbine Length Gas...

Grid Defense 20" .308 Upper Receiver - OD Green DPMS Pattern upper 20" 4150 Chrome Moly Barrel Rifle Gas System Chambered in .308 Winchester 1:10 Twist Rate 5/8x24 Thread Pattern Axe Brake Muzzle...

Grid Defense 16" .308 Winchester Billet Upper - OD Green Billet DPMS High Profile Pattern upper 16" 4150 chrome moly barrel Mid-length gas system Chambered in .308 Winchester 1:10 Twist...

Grid Defense 9" .22LR Flash Can Upper Receiver - OD Green Milspec 7075-T6 Upper Receiver 9" 4150 Black Nitride Barrel Pencil Lightweight Profile Barrel 1:16 Twist Rate 1/2x28 Thread Pattern 9" Grid...

Grid Defense 9" .22LR Upper Receiver - Tungsten Gray Milspec 7075-T6 Upper Receiver 9" 4150 Black Nitride Barrel Pencil Lightweight Profile Barrel 1:16 Twist Rate 1/2x28 Thread Pattern 7" Grid...

Grid Defense 9" .22LR Upper Receiver - OD Green Milspec 7075-T6 Upper Receiver 9" 4150 Black Nitride Barrel Pencil Lightweight Profile Barrel 1:16 Twist Rate 1/2x28 Thread Pattern 7" Grid...

Grid Defense Stainless Steel 10.5" .223 Wylde Upper Receiver - OD Green Finished in Magpul OD Green Cerakote Chambered in .223 Wylde 10.5" 416R Stainless Steel Barrel  1:7 Twist...

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 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 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 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 16" 9mm Stainless Steel Upper Receiver - OD Green Milspec 7075-T6 Upper Receiver 16" 416R Stainless Steel Barrel 1/2x36 Thread Pattern 14" Grid Defense Octagon M-Lok Rail A2 Muzzle...

Grid Defense 7.5" 7.62x39 Upper Receiver - OD Green Mil Spec 7075-T6 Upper Receiver 7.5" 1:10 Twist 4150 Light HBAR Barrel - Black Nitride 7" Grid Defense Octagon M-Lok Rail Pistol Length Gas...

Grid Defense 5.5" 9mm OD Green Upper Receiver with OD Flash Can OD Green Dimpled Flash Can Chambered in 9x19 Para 7" Grid Defense Octagon M-Lok Rail 5.5" 1:10 Twist 4150 Light HBar Barrel - Black...

Grid Defense GX2 7.5" 5.56 NATO Flash Can Upper Mil-Spec 7075-T6 Upper Receiver 7.5" 1:7 Twist 4150 M4 Barrel - Black Nitride Chambered in 5.56x45 NATO 9" Grid Defense GX2 Octagon M-Lok Rail Dimpled...