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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On Sale
GHOST ELITE 10.5" UPPER 5.56 NATO - TACTICAL GRAPE
Sale: $259.00MSRP: $329.00Ghost Firearms Elite 10.5" Upper - Tactical Grape Made in the USA Chambered in 556 NATO 5.56 Nato Upper Receiver A2 Flash Hider 10.5" 1:7 or 1:8 Twist 4150 M4 Barrel Black Nitride Carbine Length Gas System Ghost Firearms 7"...Sale: $259.00MSRP: $329.00 -
Grid Defense 10.5" 5.56 Flash Can Upper Receiver - Tactical Grape
$399.00Grid Defense 10.5" 5.56 Flash Can Upper Receiver Finished in Purple Cerakote 5.56 Upper Receiver Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:7 Twist 4150 M4 Profile Barrel - Black Nitride Chambered in 5.56x45 NATO Carbine Length Gas System ...$399.00 -
On Sale
10.5" 5.56MM WITH 9" M-LOK PISTOL KIT - TACTICAL GRAPE
Sale: $439.00MSRP: $579.00Ghost Firearms 10.5" 5.56 Pistol Kit - Tactical Grape Purple Cerakote Finish Chambered in 5.56/.223 (5.56x45mm) M16 Bolt Carrier Group Mil-spec Charging Handle A2 Flash Hider 10.5" 1:7 or 1:8 Twist 4150 Chrome Moly Steel Barrel Black...Sale: $439.00MSRP: $579.00 -
Grid Defense 10.5" .300 Blackout Flash Can Upper Receiver - Tactical Grape
$399.00GRID DEFENSE 10.5" UPPER RECEIVER - .300 BLACKOUT UPPER WITH FLASH CAN - TACTICAL GRAPE Finished in Purple Cerakote Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:8 Twist 4150 Light HBar Barrel - Black Nitride Chambered in .300 Blackout (7...$399.00 -
Grid Defense 10.5" 5.56 Upper Receiver with Stainless Steel Barrel - Tactical Grape
$409.00Grid Defense 10.5" 5.56 Upper Receiver Finished in Purple Cerakote Chambered in 5.56x45 NATO 7075-T6 Milspec Upper Receiver 10.5" 1:7 Twist 416R Stainless Steel M4 Barrel 9" MLOK Hand Guard .750 Low Profile Gas Block Carbine Length Gas System A2 Flash...$409.00 -
Grid Defense 10.5" 5.56 Upper Receiver - Tactical Grape
$379.00Grid Defense 10.5" 5.56 Upper Receiver Finished in Purple Cerakote 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 Block Carbine Length Gas System A2 Flash Hider Made in...$379.00 -
On Sale
Ghost Fireams Elite 10.5" UPPER .300 BLACKOUT - TACTICAL GRAPE
Sale: $259.00MSRP: $329.00Ghost Firearms Elite 10.5".300 Upper - Tactical Grape Tactical Grape Cerakote Finished Chambered in 300 BLACKOUT (7.62X35) A2 Flash Hider 10.5" 1:8 Twist 4150 Light HBar Barrel Black Nitride Pistol Length Gas System Ghost...Sale: $259.00MSRP: $329.00 -
On Sale
Ghost Firearms 10.5" 5.56 Flash Can Upper Receiver Pistol Kit - Tactical Grape
Sale: $449.00MSRP: $599.00Ghost Firearms 10.5" Flash Can Upper Receiver Pistol Build Kit Finished in Purple Cerakote Milspec 7075-T6 Upper Receiver 10.5" 1:7 4150 M4 Barrel - Black Nitride Chambered in 5.56x45 NATO .750 Low Profile Gas Block Carbine Length Gas System Ghost...Sale: $449.00MSRP: $599.00 -
On Sale
Ghost Firearms 10.5" .300 Blackout Flash Can Upper Receiver Pistol Kit - Tactical Grape
Sale: $449.00MSRP: $599.00Ghost Firearms 10.5" Flash Can Upper Receiver Pistol Build Kit Finished in Purple Cerakote Milspec 7075-T6 Upper Receiver 300 Blackout Upper Receiver Pistol Kit 10.5" 1:8 4150 Light HBAR Barrel - Black Nitride Chambered in .300 Blackout (7.62x35) .750...Sale: $449.00MSRP: $599.00 -
On Sale
Grid Defense 10.5" .300 Blackout Upper Receiver - Tactical Grape
Sale: $299.00MSRP: $379.00Grid Defense 10.5" .300 Blackout Upper Receiver - Tactical Grape Finished in Purple Cerakote Mil-Spec 7075-T6 Upper Receiver 10.5" 1:8 Twist 4150 Steel Barrel - Black Nitride Chambered in .300 Blackout (7.62x35) A2 Muzzle Device Pistol Length Gas System...Sale: $299.00MSRP: $379.00 -
Out of stock
Ghost Firearms Elite Stainless Steel 10.5" Upper .300 Blackout - Tactical Grape
$349.00Ghost Firearms Elite 10.5.300 Stainless Steel Upper Receiver High quality AR15 upper, the new 7075 upper receiver from Ghost Firearms. Finished in purple cerakote.Chambered in .300 Blackout (7.62x35) A2 Flash Hider 10.5" 1:8 Twist 416R Stainless...$349.00 -
Out of stock
Grid Defense Stainless Steel 10.5" .300 Blackout Upper Receiver - Tactical Grape
$399.00Grid Defense 10.5" .300 Blackout Upper Receiver Finished in Purple Cerakote 10.5" Upper Receiver Mil-Spec 7075-T6 Upper Receiver 10.5" 1:8 Twist 416R Stainless Steel Barrel Chambered in .300 Blackout (7.62x35) A2 Muzzle Device Pistol Length Gas System...$399.00 -
Grid Defense Stainless Steel 10.5" 5.56 Upper Receiver - Tactical Grape
$399.00Grid Defense Stainless Steel 10.5" 5.56 Upper Receiver Purple Cerakote Finish Chambered in 5.56 NATO Grid Defense Mil Spec 7075 T6 Upper Receiver Grid Defense 9" M-Lok Free Float Hand Guard Carbine Length Gas System 10.5" 1:7 Twist 416R Stainless...$399.00