5.56mm Uppers
Our 5.56mm uppers are made from the highest quality materials, ensuring that they can withstand even the most challenging shooting conditions. We offer a variety of barrel lengths and styles to fit your specific needs, as well as handguards, charging handles, and other components to complete your build.
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On Sale
Grid Defense 10.5" 5.56 Flash Can Upper Receiver - OD Green
Sale: $329.00MSRP: $399.00GRID DEFENSE 10.5" 5.56 FLASH CAN UPPER RECEIVER - OD GREEN Finished in OD Green Cerakote Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:7 Twist 4150 M4 Profile Barrel - Black Nitride...Sale: $329.00MSRP: $399.00 -
On Sale
Ghost Firearms Elite 7.5" Upper 5.56 Nato - Burnt Bronze
Sale: $259.00MSRP: $329.00Ghost Firearms 7.5" 5.56 Upper - Burnt Bronze Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider 7.5" 1:7 Twist 4150 M4 Barrel Black Nitride Pistol Length Gas SystemSale: $259.00MSRP: $329.00 -
On Sale
Ghost Elite 7.5" Upper 5.56 Nato Blue Titanium
Sale: $259.00MSRP: $329.00Ghost Firearms 7.5"5.56 Upper - Blue Titanium Blue Titanium Cerakote Finished Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider 7.5" 1:7 Twist 4150 M4 Barrel Black NitrideSale: $259.00MSRP: $329.00 -
On Sale
Grid Defense 10.5" 5.56 Flash Can Upper Receiver - Burnt Bronze
Sale: $329.00MSRP: $399.00Grid Defense 10.5" 5.56 Flash Can Upper Receiver Finished in Burnt Bronze Cerakote Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:7 Twist 4150 M4 Profile Barrel - Black...Sale: $329.00MSRP: $399.00 -
On Sale
Ghost Elite 7.5" Upper 5.56 Nato - Tungsten Gray
Sale: $259.00MSRP: $329.00Ghost Firearms Elite 7.5" Upper - Tungsten Grey Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider 7.5" 1:7 Twist 4150 M4 Barrel Black Nitride Pistol Length Gas SystemSale: $259.00MSRP: $329.00 -
On Sale
Grid Defense 10.5" 5.56 Flash Can Upper Receiver - Tungsten Gray
Sale: $329.00MSRP: $399.00Grid Defense 10.5" 5.56 Dimpled Flash Can Upper in Tungsten Gray The best Mil-Spec upper receiver, the new 5.56 upper receiver with AR flash can. Finished in tungsten gray cerakote Made in the USA...Sale: $329.00MSRP: $399.00 -
Out of stock
Ghost 16" 5.56 Front Sight Upper
$179.00 - $219.00Ghost 16" 5.56 NATO Front Sight Upper Receiver Made in the USA$179.00 - $219.00 -
On Sale
Ghost Elite 7.5" Upper 5.56 Nato OD Green
Sale: $259.00MSRP: $329.00Ghost Firearms 7.5" 5.56 Upper - OD Green OD Green Cerakote Finished Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider 7.5" 1:7 Twist 4150 M4 Barrel Black NitrideSale: $259.00MSRP: $329.00 -
Out of stockOn Sale
Grid Defense 7.5" 5.56 Flash Can Upper Receiver - FDE
Sale: $329.00MSRP: $399.00Grid Defense AR-15 7.5" 5.56 Flash Can Upper Receiver - FDE Finished in Magpul Flat Dark Earth Cerakote 5.56 Upper Receiver 7075-T6 Mil-Spec Upper Receiver 7.5" 1:7 Twist 4150 M4 Barrel - Black...Sale: $329.00MSRP: $399.00 -
On Sale
Grid Defense 7.5" 5.56 Flash Can Upper Receiver - OD Green
Sale: $329.00MSRP: $399.00Grid Defense OD Green 7.5" 5.56 Flash Can Upper Finished in Magpul Olive Drab Green Cerakote 7075-T6 Mil Spec 5.56 Upper Receiver Chambered in 5.56x45 NATO 1:7 Twist 7.5" 4150 M4 Barrel - Black...Sale: $329.00MSRP: $399.00 -
Ghost IHS 5" Upper 5.56 Nato
$239.00 - $259.00Ghost IHS 5" 5.56 Upper Hard Coat Black Anodized Finish Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider 5" 1:5 Twist 4150 Chrome Moly Vanadium Barrel 1/2x28 Thread Pitch Micro Le$239.00 - $259.00 -
On Sale
Grid Defense 16" 5.56 Upper Receiver - Tungsten Gray
Sale: $329.00MSRP: $399.00Grid Defense 16" 5.56 Upper Receiver - Tungsten Gray Tungsten Gray 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...Sale: $329.00MSRP: $399.00 -
On Sale
Grid Defense 10.5" 5.56 Upper Receiver - FDE
Sale: $299.00MSRP: $379.00Grid Defense 10.5" 5.56 Upper Receiver Finished in Magpul Flat Dark Earth Cerakote Chambered in 5.56x45 NATO 7075-T6 Milspec Upper Receiver 10.5" 1:7 Twist 4150 Steel M4 Barrel - Black...Sale: $299.00MSRP: $379.00 -
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...Sale: $269.00MSRP: $349.00 -
On Sale
Grid Defense 7.5" 5.56 Flash Can Upper Receiver - Tungsten Gray
Sale: $329.00MSRP: $399.00Grid Defense 7.5" 5.56 Flash Can Upper - Tungsten Gray Finished in Tungsten Gray Cerakote 7075-T6 MilSpec Upper Receiver 7.5" 1:7 Twist 4150 Barrel - Black Nitride Chambered in 5.56x45 NATO Dimpled...Sale: $329.00MSRP: $399.00 -
On Sale
Grid Defense 10.5" 5.56 Flash Can Upper Receiver - Blue Titanium
Sale: $329.00MSRP: $399.00Grid Defense 10.5" 5.56 Flash Can Upper Receiver Finished in Blue Titanium Cerakote Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:7 Twist 4150 M4 Profile Barrel - Black Nitride Chambered...Sale: $329.00MSRP: $399.00 -
Out of stockOn Sale
Ghost Elite 10.5" 5.56 Flash Can Upper With FDE Flash Can - Flat Dark Earth
Sale: $279.00MSRP: $369.00Ghost Elite 10.5" 5.56 Flash Can Upper With FDE Flash Can - Flat Dark Earth FDE Smooth Flash Can 10.5" 1:7 Twist 4150 M4 Barrel Black Nitride Carbine Length Gas System Ghost Firearms 11"...Sale: $279.00MSRP: $369.00 -
On Sale
GHOST ELITE 16" UPPER 5.56 NATO - ZOMBIE GREEN
Sale: $269.00MSRP: $349.00GHOST ELITE 16" UPPER 5.56 NATO - ZOMBIE GREEN Zombie Green 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...Sale: $269.00MSRP: $349.00 -
On Sale
Grid Defense 16" 5.56 Quad Rail Upper Receiver - Magpul OD Green
Sale: $329.00MSRP: $399.00Grid Defense 16" 5.56 Quad Rail Upper Receiver - Magpul OD Green Magpul OD Green Cerakote Finish Chambered in 5.56x45 NATO 14" M-Lok Quad Rail 16" 1:7 4150 M4 Barrel - Black Nitride Carbine Length...Sale: $329.00MSRP: $399.00 -
On Sale
Grid Defense 16" 5.56 Quad Rail Upper Receiver - Black
Sale: $329.00MSRP: $399.00Grid Defense 16" 5.56 Quad Rail Upper Receiver - Black Black Anodized Finish Chambered in 5.56x45 NATO 14" M-Lok Quad Rail 16" 1:7 4150 M4 Barrel - Black Nitride Carbine Length Gas System A2...Sale: $329.00MSRP: $399.00