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
ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - MAGPUL FDE
Sale: $209.00MSRP: $299.00Always Armed 10.5" 5.56 NATO Upper Receiver - Magpul FDE Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 10.5" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Carbine Length Gas System .750...Sale: $209.00MSRP: $299.00 -
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
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 System Ghost Firearms 7"...Sale: $259.00MSRP: $329.00 -
On Sale
Ghost Elite 10.5" Upper 5.56 Nato - Flat Dark Earth
Sale: $259.00MSRP: $329.00Ghost Firearms Elite 10.5" Upper Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider 10.5" 1:7 Twist 4150 M4 Barrel Black Nitride Carbine Length Gas System Ghost Firearms 9" M-Lok Free Float Hand Guard Ghost...Sale: $259.00MSRP: $329.00 -
On 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 Nitride Chambered in 5.56x45 NATO 9" Octagon M-Lok...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 Nitride .750 Low Profile Gas Block Carbine Length Gas...Sale: $299.00MSRP: $379.00 -
On 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" M-Lok Free Float Hand Guard Ghost...Sale: $279.00MSRP: $369.00 -
On Sale
ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER WITH 10" TR RAIL - MAGPUL FDE
Sale: $209.00MSRP: $299.00Always Armed 10.5" 5.56 NATO Upper Receiver - Magpul FDE Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 10.5" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Carbine Length Gas System .750...Sale: $209.00MSRP: $299.00 -
On Sale
ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - FDE
Sale: $219.00MSRP: $319.00ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - FDE Made in the USA Magpul FDE Cerakote Finish Mil-Spec AR15 7075 T6 Upper Receiver with Dust Cover and Forward Assist 15" Free Float M-LOK OCTO Series Rail 16" 1:7 Twist Barrel with Black Nitride...Sale: $219.00MSRP: $319.00 -
On Sale
ALWAYS ARMED 7.5" 5.56 NATO UPPER RECEIVER - MAGPUL FDE
Sale: $209.00MSRP: $299.00Always Armed 7.5" 5.56 NATO Upper Receiver - Magpul FDE Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7.5" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Pistol Length Gas System .750...Sale: $209.00MSRP: $299.00 -
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 -
On Sale
Grid Defense 7.5" 5.56 Upper Receiver - FDE
Sale: $299.00MSRP: $379.00Grid Defense 7.5" 5.56 Upper Receiver Finished in Magpul Flat Dark Earth Cerakote Mil Spec 7075-T6 Upper Receiver 7.5" 1:7 Twist 4150 M4 Barrel - Black Nitride 7" Grid Defense Octagon M-Lok Rail Pistol Length Gas System A2 Flash Hider Chambered in...Sale: $299.00MSRP: $379.00 -
On Sale
Ghost Elite 16" Upper 5.56 Nato With Matching Flash Can - FDE
Sale: $299.00MSRP: $369.00Ghost Firearms Elite 16" 5.56 Upper Receiver With Flash Can - FDE Ghost Elite 16 Upper Chambered in 5.56x45 NATO (5.56/.223) 5.5" Flash Can finished in FDE 16" 1:7 Twist 4150 M4 Barrel Black Nitride 1/2x28 Muzzle Thread...Sale: $299.00MSRP: $369.00 -
On Sale
ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER - FDE
Sale: $229.00MSRP: $339.00ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER - FDE Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7.5" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Pistol Length Gas...Sale: $229.00MSRP: $339.00 -
On Sale
ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH 15" M-LOK QUAD RAIL - FDE
Sale: $219.00MSRP: $329.00ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH 15" M-LOK QUAD RAIL - FDE Made in the USA 16" 4150 Barrel Chambered in 5.56 NATO 15" Free Floating MLOK Quad Rail Magpul Flat Dark Earth Cerakote Finish Carbine Length Gas System A2 Muzzle Device 1:7 Twist...Sale: $219.00MSRP: $329.00 -
Out of stock
7.5" 5.56 NATO COMPLETE UPPER RECEIVER WITH 7" KEYMOD RAIL, BCG, CHARGING HANDLE & SIGHTS - FDE
$429.007.5" 5.56 NATO COMPLETE UPPER RECEIVER WITH 7" KEYMOD RAIL, BCG, CHARGING HANDLE & SIGHTS Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7.5" 1:7 Twist 4150 Black Nitride Barrel Chambered in 5.56 NATO A2...$429.00 -
On Sale
Grid Defense Stainless Steel 16" 5.56 Upper Receiver - Flat Dark Earth
Sale: $329.00MSRP: $429.00Grid Defense Stainless Steel 16" 556 Upper Receiver - Flat Dark Earth FDE Cerakote Finish Chambered in 5.56 NATO Stainless Steel A2 Flash Hider 16" 1:7 Twist 416R Stainless Steel Barrel - M4 Profile Carbine Length Gas System Grid Defense 14" M-Lok Free...Sale: $329.00MSRP: $429.00