AR-15 | AR-10
Grid Defense is the first stop for your next AR15 build with our wide variety of barreled upper receivers to choose from. We offer a multitude of options from barrel length, color, handguard designs, and caliber. Whether you are a beginner or experienced gunsmith our uppers are designed to be easy to expand while staying cost friendly. Check out our Upper and Lower parts for everything else you need to complete your build.
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Out of stockOn Sale
Ghost Firearms Elite 7.5" Upper 9MM - Tactical Grape
Sale: $259.00MSRP: $329.00Ghost Firearms Elite 7.5" Upper 9MM - Tactical Grape Tactical Grape Cerakote Finished Chambered in 9x19MM Para A2 Flash Hider 1/2x36 Thread Pattern 7.5" 1:10 Twist 4150 Light HBar Barrel Black Nitride Ghost Firearms 7" M-Lok Free...Sale: $259.00MSRP: $329.00 -
On Sale
GHOST ELITE 7.5" UPPER 5.56 NATO - TACTICAL GRAPE
Sale: $259.00MSRP: $329.00Ghost Firearms Elite 7.5" 5.56 - Tactical Grape Tactical Grape Cerakote Finished Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider 7.5" 1:7 Twist 4150 M4 Barrel Black Nitride Pistol Length Gas System Ghost Firearms 7"...Sale: $259.00MSRP: $329.00 -
On Sale
7.5" 9MM WITH M-LOK 7" PISTOL KIT - TACTICAL GRAPE
Sale: $389.00MSRP: $669.00Ghost Firearms 7.5" Pistol Kit - Tactical Grape Tactical Grape Cerakote Finish Chambered in 9mm 9mm Bolt Carrier Group (Colt and Glock cut) Mil-spec Charging Handle A2 Flash Hider 1/2x36 Thread Pattern 7.5" 1:10 Twist 4150...Sale: $389.00MSRP: $669.00 -
On Sale
Grid Defense 7.5" 5.56 Flash Can Upper Receiver - Tactical Grape
Sale: $329.00MSRP: $399.00GRID DEFENSE 7.5 Upper With Flash Can - 5.56 Upper Receiver- TACTICAL GRAPE Finished in Purple Cerakote Chambered in 5.56x45 NATO 1:7 Twist 7.5" 4150 M4 Barrel - Black Nitride Dimpled Flash Can 9" Grid Defense Octagon Rail Pistol Length Gas System...Sale: $329.00MSRP: $399.00 -
On Sale
Grid Defense 7.5" .300 Blackout Flash Can Upper Receiver - Tactical Grape
Sale: $329.00MSRP: $399.00Grid Defense 7.5" .300 Blackout Pistol Upper Receiver - Tactical Grape Made in the USA Chambered in .300 Blackout (7.62x35) 7.5" 1:8 Twist 4150 Light HBar Barrel - Black Nitride Pistol Length Gas System .750 Low Profile Gas Block Dimpled Flash...Sale: $329.00MSRP: $399.00 -
On Sale
Ghost Firearms 7.5" 5.56 Flash Can Upper Receiver Pistol Kit - Tactical Grape
Sale: $449.00MSRP: $599.00Ghost Firearms 7.5" Flash Can Upper Receiver Pistol Build Kit Finished in Purple Cerakote 7.5 Upper Build Kit Milspec 7075-T6 Upper Receiver 7.5" 1:7 4150 M4 Barrel - Black Nitride Chambered in 5.56x45 NATO .750 Low Profile Gas Block Pistol Length Gas...Sale: $449.00MSRP: $599.00 -
On Sale
Grid Defense 7.5" 5.56 Upper Receiver - Tactical Grape
Sale: $299.00MSRP: $379.00Grid Defense 7.5" 5.56 Upper Receiver Finished in Purple Cerakote Mil Spec 7075-T6 Upper Receiver 7.5" 1:7 Twist 4150 M4 Barrel - Black Nitride 7" Grid Defense Octagon M-Lok Rail Pistol Length Gas System A2 Flash Hider Chambered in 5.56x45 NATO...Sale: $299.00MSRP: $379.00 -
On Sale
Ghost Firearms Elite 7.5" UPPER 300 BLACKOUT - TACTICAL GRAPE
Sale: $259.00MSRP: $329.00Ghost Firearms Elite 7.5".300 Upper - Tactical Grape Tactical Grape Cerakote Finished Chambered in 300 BLACKOUT (7.62X35) A2 Flash Hider 7.5" 1:8 Twist 4150 M4 Barrel Black Nitride Pistol Length Gas System Ghost Firearms...Sale: $259.00MSRP: $329.00 -
On Sale
Ghost Firearms 7.5" .300 Blackout Flash Can Upper Receiver Pistol Kit - Tactical Grape
Sale: $449.00MSRP: $599.00Ghost Firearms 7.5" Flash Can Upper Receiver Pistol Build Kit Finished in Purple Cerakote Milspec 7075-T6 Upper Receiver 7.5" 1:8 4150 Light HBar Barrel - Black Nitride Chambered in .300 Blackout (7.62x35) .750 Low Profile Gas Block Pistol Length Gas...Sale: $449.00MSRP: $599.00 -
Grid Defense Stainless Steel 7.5" 5.56 Upper Receiver - Tactical Grape
$399.00Grid Defense Stainless Steel 7.5" 5.56 Upper Receiver Purple Cerakote Finish Chambered in 5.56 NATO Stainless Steel A2 Flash Hider 7.5" 1:7 Twist 416R Stainless Steel Barrel - M4 Profile Pistol Length Gas System Grid Defense 7" M-Lok Free Float Hand...$399.00 -
On Sale
Grid Defense 7.5" .300 Blackout Upper Receiver - Tactical Grape
Sale: $299.00MSRP: $379.00Grid Defense 7.5" .300 Blackout Upper Receiver Finished in Purple Cerakote Mil Spec 7075-T6 Upper Receiver 7.5" 1:8 Twist 4150 Light HBAR Barrel - Black Nitride 7" Grid Defense Octagon M-Lok Rail Pistol Length Gas System A2 Flash Hider Chambered...Sale: $299.00MSRP: $379.00 -
On Sale
GHOST FIREARMS 7.5" 5.56 FLASH CAN UPPER RECEIVER WITH TACTICAL GRAPE 9" RAIL
Sale: $299.00MSRP: $349.00GHOST FIREARMS 7.5" 5.56 FLASH CAN UPPER RECEIVER Proudly Made in the USA 7075 T6 Forged Aluminum Mil-Spec AR15 Upper Receiver - Black Anodized 7.5" 1:7 Twist 4150 Steel Barrel Pistol Length Gas System .750 Low Profile Gas Block Hard Coat Black Anodized...Sale: $299.00MSRP: $349.00