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
ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - MAGPUL FDE
Sale: $219.00MSRP: $319.00Always Armed 16" 5.56 NATO Upper Receiver - Magpul FDE Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Carbine Length Gas System .750 Low...Sale: $219.00MSRP: $319.00 -
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 (5.56/.223) A2 Flash Hider 16" 1:7 Twist 4150 M4 Barrel Black Nitride...Sale: $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 - Black Nitride Chambered in 5.56x45 NATO Carbine Length Gas...Sale: $329.00MSRP: $399.00 -
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 Length Gas System Magpul FDE Complete Upper A2...Sale: $329.00MSRP: $399.00 -
On Sale
Grid Defense 16" 5.56 Quad Rail Upper Receiver - FDE
Sale: $329.00MSRP: $399.00Grid Defense 16" 5.56 Quad Rail Upper Receiver - FDE FDE Cerakote Finish Chambered in 5.56 NATO A2 Flash Hider 16" 1:7 Twist 4150 M4 Barrel - Black Nitride Carbine Length Gas System Grid Defense 14" M-Lok Free Float Quad Rail Grid Defense Mil-Spec 7075...Sale: $329.00MSRP: $399.00