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 ELITE 16" UPPER 5.56 NATO - TACTICAL GRAPE
Sale: $269.00MSRP: $349.00Ghost Firearms Elite 16" 5.56 Upper - Tactical Grape Tactical Grape Cerakote Finished Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider 16" 1:7 Twist 4150 M4 Barrel Black Nitride Carbine Length Gas System Ghost Firearms 14"...Sale: $269.00MSRP: $349.00 -
On Sale
GHOST FIREARMS ELITE 16" UPPER 300 AAC BLACKOUT - TACTICAL GRAPE
Sale: $269.00MSRP: $349.00Ghost Firearms Elite 16" .300 AAC Upper -Tactical Grape Tactical Grape Cerakote Finished Chambered in 300 Blackout (7.62x35) A2 Flash Hider 16" 1:8 Twist 4150 Light HBar Barrel Black Nitride Pistol Length Gas System Ghost Firearms...Sale: $269.00MSRP: $349.00 -
Out of stockOn Sale
Ghost Firearms 16" 9mm Rifle Kit - Tactical Grape
Sale: $399.00MSRP: $729.00Ghost Firearms 16" 9mm Rifle Kit Finished in Purple Cerakote Chambered in 9x19 Para 16" 1:10 Twist 4150 Light HBar Black Nitride Barrel 1/2x36 Thread Pattern 14" Ghost Firearms Free Float M-LOK Rail A2 Muzzle Device Mil-Spec 7075-T6 Upper Receiver...Sale: $399.00MSRP: $729.00 -
Out of stockOn Sale
Ghost Firearms 16" 300 AAC Blackout with 14" M-LOK RAIL RIFLE KIT - TACTICAL GRAPE
Sale: $449.00MSRP: $599.00GHOST FIREARMS 16" 300 AAC BLACKOUT RIFLE KIT - Tactical Grape Finished in Purple Cerakote Chambered in 300 Blackout (7.62x35) 16" 1:8 Twist 4150 Light HBar Black Nitride Barrel 14" Ghost Firearms Free Float M-LOK Rail A2 Muzzle Device Pistol Length Gas...Sale: $449.00MSRP: $599.00 -
On Sale
Grid Defense 16" 5.56 Upper Receiver - Tactical Grape
Sale: $329.00MSRP: $399.00Grid Defense 16" Upper Receiver Purple Cerakote Finish Chambered in 5.56x45 NATO 14" M-Lok Rail 16" 1:7 4150 M4 Barrel - Black Nitride Carbine Length Gas System A2 Flash Hider Mil-Spec 7075-T6 Upper ReceiverSale: $329.00MSRP: $399.00 -
Grid Defense 16" 5.56 Quad Rail Upper Receiver - Tactical Grape
$399.00Grid Defense 16" 5.56 Quad Rail Upper Receiver - Tactical Grape Tactical Grape Cerakote Finish Chambered in 5.56x45 NATO 14" M-Lok Quad Rail 16" 1:7 4150 M4 Barrel - Black Nitride Carbine Length Gas System A2 Flash Hider Mil-Spec 7075-T6 Upper Receiver$399.00 -
On Sale
Grid Defense 16" 9mm Upper Receiver - Tactical Grape
Sale: $329.00MSRP: $399.00Grid Defense 16" 9mm Upper Receiver - Tactical Grape Finished in Purple Cerakote Milspec 7075-T6 Upper Receiver 1/2x36 Thread Pattern 16" 1:10 Twist 4150 Light HBar Barrel - Black Nitride 14" Grid Defense Octagon M-Lok Rail A2 Muzzle Device Chambered in...Sale: $329.00MSRP: $399.00 -
On Sale
Grid Defense 16" 300 Blackout Upper Receiver - Tactical Grape
Sale: $329.00MSRP: $399.00Grid Defense 16" 300 Blackout Upper Receiver - Tactical Grape Tactical Grape Cerakote Finish Chambered in .300 Blackout (7.62x35) A2 Flash Hider 16" 1:8 Twist 4150 Light HBar Barrel - Black Nitride Pistol Length Gas System Grid Defense 14" M-Lok Free...Sale: $329.00MSRP: $399.00 -
Out of stock
Grid Defense 16" 5.56 Upper Receiver With Stainless Steel Flash Hider and Skeleton Grip - Tactical Grape
$488.00Grid Defense 16" Upper Receiver Purple Cerakote Finish Chambered in 5.56x45 NATO 14" M-Lok Rail 16" 1:7 4150 M4 Barrel - Black Nitride Carbine Length Gas System Stainless Steel A2 Flash Hider Mil-Spec 7075-T6 Upper Receiver Tactical Dynamics Skeleton...$488.00 -
On Sale
Grid Defense 16" 7.62x39 Upper Receiver - Tactical Grape
Sale: $329.00MSRP: $399.00Grid Defense 16" 7.62x39 Upper Receiver - Tactical Grape Finished in Purple Cerakote Chambered in 7.62x39 16" 1:10 Twist 4150 Light HBar Barrel - Black Nitride A2 Muzzle Device 14" Free Floating M-Lok Rail Milspec 7075-T6 Upper Receiver Carbine Gas...Sale: $329.00MSRP: $399.00 -
Out of stock
Grid Defense 16" .300 Blackout Quad Rail Upper Receiver - Tactical Grape
$399.00Grid Defense 16" 5.56 Quad Rail Upper Receiver - Tactical Grape Tactical Grape Cerakote Finish Chambered in .300 Blackout 14" M-Lok Quad Rail 16" 1:8 4150 Barrel - Black Nitride Pistol Length Gas System A2 Flash Hider Mil-Spec 7075-T6 Upper Receiver$399.00 -
Grid Defense Stainless Steel 16" 5.56 Upper Receiver - Tactical Grape
$429.00Grid Defense Stainless Steel 16" 556 Upper Receiver - Tactical Grape Tactical Grape Cerakote Finish Chambered in 5.56 NATO 5.56 Upper Receiver Stainless Steel A2 Flash Hider 16" 1:7 Twist 416R Stainless Steel Barrel - M4 Profile Carbine Length Gas...$429.00 -
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 -
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 -
Out of stockOn Sale
Grid Defense Stainless Steel 16" 300 Blackout Upper Receiver - Tactical Grape
Sale: $329.00MSRP: $429.00Grid Defense Stainless Steel 16" 300 Blackout Upper Receiver - Tactical Grape Tactical Grape Cerakote Finish Chambered in .300 Blackout (7.62x35) Stainless Steel A2 Flash Hider 16" 1:8 Twist 416R Stainless Steel Light HBar Barrel Pistol Length Gas...Sale: $329.00MSRP: $429.00