AR15 - 5.56 NATO
Shop our selection of 5.56 complete uppers and build kits for your next AR-15. Designed for the best performance possible while not breaking the bank. Use these to upgrade your current gun or have a fresh start for something unique. Whether you're building a self defense pistol or a rifle for hunting these uppers will do the job.
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On Sale
Ghost Elite 16" Upper 5.56 NATO - Black
Sale: $249.00MSRP: $319.00Ghost Firearms 16" 5.56 NATO Upper Receiver - Black Mil-Spec 7075 Forged Aluminum Upper Receiver 14" Ghost Firearms M-Lok Rail Black Anodized Finish 16" 1:7 Twist 4150 M4 Barrel - Black...Sale: $249.00MSRP: $319.00 -
On Sale
Ghost Vital 10.5" Upper 5.56 Nato - Black
Sale: $239.00MSRP: $299.00Ghost Firearms Vital 10.5" Upper - Black Chambered in 5.56 NATO Mil Spec Upper Receiver with Dust Cover and Forward Assist A2 Birdcage Flash Hider 10.5" 1:7 4150 M4 Barrel - Black Nitride Carbine...Sale: $239.00MSRP: $299.00 -
On Sale
Ghost Vital 7.5" Upper 5.56 Nato
Sale: $239.00MSRP: $299.00Ghost Firearms Vital 7.5" Upper Chambered in 5.56x45 NATO (5.56/.223) A2 Birdcage Flash Hider 7.5" 1:7 Twist 4150 M4 Barrel Black Nitride Pistol Length Gas System GhSale: $239.00MSRP: $299.00 -
On Sale
Ghost Elite 16" Upper 5.56 Nato - FDE
Sale: $269.00MSRP: $349.00Ghost Firearms Elite 16" 5.56 Upper - Flat Dark Earth Upper Receiver Flat Dark Earth Cerakote Finish Ghost Elite 16 Upper Chambered in 5.56x45 NATO (Sale: $269.00MSRP: $349.00 -
On Sale
Ghost Elite 16" Upper 5.56 Nato Blue Titanium
Sale: $269.00MSRP: $349.00Ghost Firearms Elite 16" 5.56 Upper - Blue Titanium Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider 16" 1:7 Twist 4150 M4 Barrel Black Nitride Carbine Length Gas SystemSale: $269.00MSRP: $349.00 -
On Sale
Grid Defense 10.5" 5.56 Flash Can Upper Receiver - Black Anodized
Sale: $329.00MSRP: $399.00Grid Defense 10.5" 5.56 Flash Can Upper Receiver Hard Coat Black Anodized Finish Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:7 or 1:8 Twist 4150 M4 Profile Barrel - Black Nitride...Sale: $329.00MSRP: $399.00 -
On Sale
Ghost Elite 16" Upper 5.56 Nato OD Green
Sale: $269.00MSRP: $349.00Ghost Firearms Elite 16" 5.56 Upper - OD Green Made in the USA Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider 16" 1:7 Twist 4150 M4 Barrel BlackSale: $269.00MSRP: $349.00 -
On Sale
Ghost Elite 16" Upper 5.56 Nato Burnt Bronze
Sale: $269.00MSRP: $349.00Ghost Firearms Elite 16" 5.56 Upper Receiver - Burnt Bronze Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider 16" 1:7 Twist 4150 M4 Barrel Black NitrideSale: $269.00MSRP: $349.00 -
On Sale
Ghost Elite 16" Upper 5.56 Nato - Tungsten Gray
Sale: $269.00MSRP: $349.00Ghost Firearms Elite 16"5.56 AR15 Upper Receiver - Tungsten Gray Tungsten Gray Cerakote Finished Chambered in 5.56x45 NATO (5.56/.223) A2 Flash HiderSale: $269.00MSRP: $349.00 -
On Sale
Grid Defense 10.5" 5.56 Flash Can Upper Receiver - FDE
Sale: $329.00MSRP: $399.00GRID DEFENSE 10.5" FLASH CAN UPPER - FDE 5.56 UPPER RECEIVER Finished in Magpul Flat Dark Earth Cerakote Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:7 Twist 4150 M4 Profile Barrel -...Sale: $329.00MSRP: $399.00 -
On Sale
Grid Defense 16" 5.56 Upper Receiver - OD Green
Sale: $329.00MSRP: $399.00Grid Defense 16" 5.56 AR Upper Receiver - OD Green Upper Receiver Magpul Olive Drab Green Cerakote FinishSale: $329.00MSRP: $399.00 -
On Sale
Ghost Elite 10.5" Upper 5.56 Nato - OD Green
Sale: $259.00MSRP: $329.00Ghost Firearms Elite 10.5" 5.56 Upper - OD Green OD Green Cerakote Finished Chambered in 5.56x45 NATO (5.56/.223) A2 Flash HiderSale: $259.00MSRP: $329.00 -
On Sale
Ghost Elite 10.5" Upper 5.56 Nato Burnt Bronze
Sale: $259.00MSRP: $329.00Ghost Firearms Elite 10.5" 5.56 Upper Receiver - Burnt Bronze Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider 10.5" 1:7 Twist 4150 M4 Barrel Black NitrideSale: $259.00MSRP: $329.00 -
On Sale
Grid Defense 16" 5.56 Upper Receiver - FDE
Sale: $329.00MSRP: $399.00Grid Defense 16" 5.56 Upper Receiver - Flat Dark Earth Upper Receiver Magpul Flat Dark Earth Cerakote Finish Chambered in 5.56x45 NATO 14" M-Lok Rail 16" 1:7 4150 M4 Barrel - Black Nitride Carbine...Sale: $329.00MSRP: $399.00 -
On Sale
Ghost Elite 7.5" Upper 5.56 Nato - FDE
Sale: $259.00MSRP: $329.00Ghost Firearms Elite 7.5" 5.56 Upper - FDE Magpul Flat Dark Earth Upper Receiver Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider 7.5" 1:7 Twist 4150 M4 Barrel Black Nitride Pistol Length Gas...Sale: $259.00MSRP: $329.00 -
On Sale
16" 5.56mm with 14" M-Lok Rifle Kit - Blue Titanium
Sale: $449.00MSRP: $599.00Ghost Firearms 16" 5.56 Rifle Kit - Blue Titanium Blue Titanium Cerakote Finish Chambered in 5.56/.223 (5.56x45mm) M16 Bolt Carrier Group Mil-spec Charging HandleSale: $449.00MSRP: $599.00 -
Out of stockOn Sale
Ghost Vital 7.5" 5.56 Pistol Kit
Sale: $419.00MSRP: $479.00Ghost Firearms Vital 7.5" Upper Chambered in 5.56x45 NATO (5.56/.223) A2 Birdcage Flash Hider 7.5" 1:7 Twist 4150 M4 Barrel Black Nitride Pistol Length Gas System Ghost Firearms 7" M-Lok Free...Sale: $419.00MSRP: $479.00 -
On Sale
GRID DEFENSE 16" 5.56 UPPER RECEIVER - BLACK
Sale: $329.00MSRP: $399.00Grid Defense 16" 5.56 Upper Receiver - Black Premium AR upper receiver, the new 5.56 AR upper from Grid Defense.With hard coat black anodized. Chambered in 5.56x45 NATO Skeletonized Upper...Sale: $329.00MSRP: $399.00 -
On Sale
GHOST FIREARMS 16" 5.56 WITH 14" M-LOK RAIL RIFLE KIT - BLACK
Sale: $369.00MSRP: $499.00GHOST FIREARMS 16" 5.56 RIFLE KIT Hard Coat Black Anodized Chambered in 5.56 NATO 16" 1:7 Twist 4150 M4 Black Nitride Barrel 14" Ghost Firearms Free Float M-LOK Rail A2 Muzzle...Sale: $369.00MSRP: $499.00 -
On Sale
Ghost Elite 10.5" Upper 5.56 Nato - Tungsten Gray
Sale: $259.00MSRP: $329.00Ghost Firearms Elite 10.5" 5.56 Upper - Tungsten Gray UPPER RECEIVER Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider 10.5" 1:7 Twist 4150 M4 Barrel Black NitrideSale: $259.00MSRP: $329.00