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 18" 6mm ARC Rifle Kit - FDE
Sale: $449.00MSRP: $519.00Ghost 18" 6mm ARC Rifle Kit - FDE Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 18" 1:8 Twist 4150 Barrel with Black Nitride Finish Chambered in 6mm ARC Mid Length Gas System .750 Low Profile Gas...Sale: $449.00MSRP: $519.00 -
On Sale
Ghost 18" 6mm ARC Rifle Kit - Tungsten Gray
Sale: $449.00MSRP: $519.00Ghost 18" 6mm ARC Rifle Kit - Tungsten Gray Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 18" 1:8 Twist 4150 Barrel with Black Nitride Finish Chambered in 6mm ARC Mid Length Gas System .750 Low Profile...Sale: $449.00MSRP: $519.00 -
Out of stockOn Sale
Ghost 20" 6.5 Grendel Rifle Kit - Burnt Bronze
Sale: $459.00MSRP: $529.00Ghost 20" 6.5 Grendel Rifle Kit - Burnt Bronze Upper Specifications Mil-Spec Upper Design Machined from 7075-T6 Forging Mil-Spec dust cover and forward assist Made in the USA 14" Free Float Handguard Barrel Specifications 20" Heavy Profile...Sale: $459.00MSRP: $529.00 -
Out of stockOn Sale
Ghost 20" 6.5 Grendel Rifle Kit - OD Green
Sale: $459.00MSRP: $529.00Ghost 20" 6.5 Grendel Rifle Kit - 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 Float Handguard Barrel Specifications 20" Heavy Profile...Sale: $459.00MSRP: $529.00 -
Out of stockOn Sale
Ghost 20" 6.5 Grendel Rifle Kit - Tungsten Gray
Sale: $459.00MSRP: $529.00Ghost 20" 6.5 Grendel Rifle Kit - Tungsten Gray Upper Specifications Mil-Spec Upper Design Machined from 7075-T6 Forging Mil-Spec dust cover and forward assist Made in the USA 14" Free Float Handguard Barrel Specifications 20" Heavy Profile...Sale: $459.00MSRP: $529.00 -
On Sale
Ghost Fireams 16" 300 AAC Blackout with 14" M-Lok Rifle Kit - Zombie Green
Sale: $449.00MSRP: $599.00Ghost Firearms 16".300 AAC Rifle Kit - Zombie Green Zombie Green Cerakote Finish M16 Bolt Carrier Group Chambered in .300 Blackout Mil-spec Charging Handle A2 Flash Hider 16" 1:8 Twist 4150 Chrome Moly Steel Barrel Black Nitride Pistol...Sale: $449.00MSRP: $599.00 -
Out of stockOn Sale
Ghost Firearms 16" 7.62X39 WITH 14" M-LOK Rail Rifle Kit - TACTICAL GRAPE
Sale: $519.00MSRP: $659.00GHOST FIREARMS 16" 7.62x39 RIFLE KIT Chambered in 7.62x39 16" 1:10 Twist 4150 Light HBar Black Nitride Barrel 14" Ghost Firearms Free Float M-LOK Rail Carbine Length Gas System A2 Muzzle Device Mil-Spec 7075-T6 Upper Receiver Mil-Spec Lower Parts Kit...Sale: $519.00MSRP: $659.00 -
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 -
On Sale
Ghost Firearms 7.5" 9mm Blast Can Upper Receiver - Black
Sale: $279.00MSRP: $329.00Ghost Firearms 7.5" 9mm Flash Can Upper Receiver - Black Proudly Made in the USA Chambered in 9mm 7075 T6 Forged Aluminum Mil-Spec AR15 Upper Receiver 7.5" 1:10 Twist 4150 Barrel 1/2x36 Thread Pattern Stubby Blast Can Muzzle Device 7" Ghost...Sale: $279.00MSRP: $329.00 -
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
Ghost Firearms Elite Stainless Steel 16" Upper .300 AAC Blackout - Tactical Grape
$379.00Ghost Firearms Elite Stainless Steel 16" 300 Blackout Upper - Tactical Grape Tactical Grape Cerakote Finish .300 AAC Blackout Upper Chambered in .300 Blackout (7.62x35) Stainless Steel A2 Flash Hider 16" 1:8 Twist 416R Stainless Steel Light HBar Barrel...$379.00 -
Ghost IHS 5" .300 Blackout Pistol Kit
$419.00 - $439.00Ghost IHS 5" .300 Blackout Pistol Kit Chambered in .300 Blackout (7.61x31) A2 Birdcage Flash Hider 5/8x24 Thread Pitch 5" 1:5 Twist 4150 M4 Barrel Black Nitride Micro Length Gas System Ghost Firearms 4.25" IHS M-Lok Free...$419.00 - $439.00 -
On Sale
GHOST STAINLESS STEEL 10.5" .223 WYLDE PISTOL KIT - BURNT BRONZE
Sale: $439.00MSRP: $579.00GHOST STAINLESS STEEL 10.5" .223 WYLDE RIFLE KIT - BURNT BRONZE Finished in Burnt Bronze Cerakote Chambered in .223 Wylde 10.5" 416R Stainless Steel Barrel 1:7 Twist Rate 1/2x28 TPI Thread Pitch 9" Free Float M-LOK Handrail Stainless A2 Muzzle Device...Sale: $439.00MSRP: $579.00 -
On Sale
GHOST STAINLESS STEEL 10.5" .223 WYLDE PISTOL KIT - FDE
Sale: $439.00MSRP: $579.00GHOST STAINLESS STEEL 10.5" .223 WYLDE RIFLE KIT - FDE Finished in FDE Cerakote Chambered in .223 Wylde 10.5" 416R Stainless Steel Barrel 1:7 Twist Rate 1/2x28 TPI Thread Pitch 9" Free Float M-LOK Handrail Stainless A2 Muzzle Device Mil-Spec 7075-T6...Sale: $439.00MSRP: $579.00 -
On Sale
GHOST STAINLESS STEEL 10.5" .223 WYLDE PISTOL KIT - OD GREEN
Sale: $439.00MSRP: $579.00GHOST STAINLESS STEEL 10.5" .223 WYLDE RIFLE KIT - OD GREEN Finished in Magpul OD Green Cerakote Chambered in .223 Wylde 10.5" 416R Stainless Steel Barrel 1:7 Twist Rate 1/2x28 TPI Thread Pitch 9" Free Float M-LOK Handrail A2 Muzzle Device Mil-Spec...Sale: $439.00MSRP: $579.00 -
On Sale
GHOST STAINLESS STEEL 10.5" .223 WYLDE PISTOL KIT - TUNGSTEN GRAY
Sale: $439.00MSRP: $579.00GHOST STAINLESS STEEL 10.5" .223 WYLDE RIFLE KIT - TUNGSTEN GRAY Finished in Tungsten Gray Cerakote Chambered in .223 Wylde 10.5" 416R Stainless Steel Barrel 1:7 Twist Rate 1/2x28 TPI Thread Pitch 9" Free Float M-LOK Handrail Stainless A2 Muzzle Device...Sale: $439.00MSRP: $579.00 -
On Sale
GHOST STAINLESS STEEL 16" .223 WYLDE RIFLE KIT - OD GREEN
Sale: $449.00MSRP: $599.00GHOST STAINLESS STEEL 16" .223 Wylde RIFLE KIT - OD GREEN Finished in Magpul OD Green Cerakote Chambered in .223 Wylde 16" 416R Stainless Steel Barrel 1:8 Twist Rate 1/2x28 TPI Thread Pitch 14" Free Float M-LOK Handrail Stainless A2 Muzzle...Sale: $449.00MSRP: $599.00 -
On Sale
GHOST STAINLESS STEEL 16" .223 WYLDE RIFLE KIT - TUNGSTEN GRAY
Sale: $449.00MSRP: $599.00GHOST STAINLESS STEEL 16" .223 Wylde RIFLE KIT - TUNGSTEN GRAY Finished in Tungsten Gray Cerakote Chambered in .223 Wylde 16" 416R Stainless Steel Barrel 1:8 Twist Rate 1/2x28 TPI Thread Pitch 14" Free Float M-LOK Handrail Stainless A2 Muzzle...Sale: $449.00MSRP: $599.00 -
On Sale
Ghost Vital 16" Black Upper 5.56 NATO With FDE 14" Rail
Sale: $259.00MSRP: $329.00Ghost Vital 16" Black Upper 5.56 NATO With 14" FDE Rail - Black Chambered in 5.56 NATO 16" 1:7 Twist 4150 Barrel Black Nitride Carbine Length Gas System Ghost Firearms 14" M-Lok Free Float Hand Guard Finished in Flat Dark Earth...Sale: $259.00MSRP: $329.00 -
Out of stock
GRID DEFENSE 16" .300 BLACKOUT UPPER RECEIVER WITH STAINLESS STEEL BARREL, AXE BRAKE AND MBUS SIGHTS - BLUE TITANIUM
$526.50GRID DEFENSE 16" .300 BLACKOUT UPPER RECEIVER Finished in Blue Titanium Cerakote Chambered in .300 Blackout 14" Aluminum M-LOK Hand Guard 16" 1:8 416R Stainless Steel Barrel Pistol Length Gas System Stainless Steel AXE Brake Mil-Spec 7075-T6 Upper...$526.50