Grid Defense

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

Grid Defense 7.5" 7.62x39 Upper Receiver - Black Anodized Made in The USA Hard Coat Black Anodized Finish Mil Spec 7075-T6 Upper Receiver 7.5" 1:10 Twist 4150 Light HBAR Barrel - Black...

Grid Defense 7.5" 5.56 NATO Upper Receiver  Mil Spec 7075-T6 Upper Receiver 7.5" 1:7 Twist 4150 Light HBAR Barrel - Black Nitride 7" Grid Defense Octagon M-Lok Rail Hard Coat Black Anodized...

Grid Defense GX2 10.5" 5.56 Upper Receiver Hard Coat Black Anodized Chambered in 5.56x45 NATO 7075-T6 Milspec Upper Receiver 10.5" 1:7 Twist 4150 Steel M4 Barrel - Black Nitride .750 Low Profile Gas...

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...

Grid Defense 16" .300 Blackout Quad Rail Upper Receiver - Black Black Anodized Finish Chambered in .300 Blackout A2 Flash Hider 16" 1:8 Twist 4150 Barrel - Black Nitride Pistol Length Gas System...

Grid Defense 7.5" .300 Blackout Upper Receiver  Hard Coat Black Anodized Finish Mil Spec 7075-T6 Upper Receiver 7.5" 1:8 Twist 4150 Light HBAR Barrel - Black Nitride 7" Grid Defense Octagon...

Grid Defense 16" .300 Quad Rail Upper Receiver Black Anodized Finish Chambered in .300 Blackout 14" M-Lok Quad Rail 16" 1:8 416R Stainless Steel Barrel Pistol Length Gas System Stainless Steel AXE...

GRID DEFENSE 16" .300 BLACKOUT UPPER RECEIVER WITH 12" RAIL, MAGPUL AFG AND TF SIGHTS Hard Coat Black Anodized Chambered in 300 Blackout (7.62x35) 12" M-Lok Rail 16" 1:8 4150 Light HBar Barrel -...

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

GRID DEFENSE 16" 9MM COMPLETE UPPER ASSEMBLY Hard Coat Black Anodized Chambered in 9x19 Para 14" M-Lok Rail 16" 1:10 4150 Light HBar Barrel - Black Nitride A2 Flash Hider Mil-Spec 7075-T6...

GRID DEFENSE 10.5" 5.56 STAINLESS STEEL COMPLETE UPPER RECEIVER W/ MBUS & AXE BRAKE Hard Coat Black Anodized Finish Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:7 Twist 416R Stainless...

Grid Defense 10.5" 5.56 Stainless Steel Flash Can Upper Receiver With Radian Raptor Charging Handle & NIB Bolt Carrier Group Hard Coat Black Anodized Finish Made in the USA 7075-T6 Mil-Spec...

GRID DEFENSE 7.5" 9MM FLASH CAN UPPER RECEIVER - BLACK ANODIZED  Hard Coat Black Anodized Finish Mil Spec 7075-T6 Upper Receiver 7.5" 1:10 Twist 4150 Light HBar Barrel - Black Nitride 9" Grid...

Grid Defense 7.5" 9mm Upper Receiver  Hard Coat Black Anodized Mil Spec 7075-T6 Upper Receiver 7.5" 1:10 Twist 4150 Light HBar Barrel - Black Nitride 7" Grid Defense Octagon M-Lok Rail A2...

Grid Defense 5.5" 9mm Flash Can Upper Receiver  Hard Coat Black Anodized Made in the USA Dimpled Flash Can 7" Grid Defense Octagon M-Lok Rail Chambered in 9x19 Para 5.5" 1:10 Twist 4150 Light...

Grid Defense 10.5" 7.62x39 Upper Receiver Hard Coat Black Anodized Chambered in 7.62x39 7075-T6 Milspec Upper Receiver 10.5" 1:10 Twist 4150 Steel Light HBar Barrel - Black Nitride .750 Low...

Grid Defense 10.5" 300 Blackout Upper Receiver Hard Coat Black Anodized Chambered in 300 Blackout (7.62x35) 7075-T6 Milspec Upper Receiver 10.5" 1:8 Twist 4150 Steel Light HBar Barrel - Black...

Grid Defense 10.5" 5.56 Upper Receiver Hard Coat Black Anodized Chambered in 5.56x45 NATO 7075-T6 Milspec Upper Receiver 10.5" 1:7 Twist 4150 Steel M4 Barrel - Black Nitride .750 Low Profile Gas...

Grid Defense 16" 7.62x39 Upper Receiver - Black Hard Coat Black Anodized Chambered in 7.62x39 14" M-Lok Rail 16" 1:10 4150 Light HBar Barrel - Black Nitride A2 Flash Hider Carbine Length Gas System...