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 - TITANIUM
Sale: $219.00MSRP: $319.00Always Armed 16" 5.56 NATO Upper Receiver - Titanium 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
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 Receivers 14" M-Lok Rail 16" 1:7 4150 M4 Barrel - Black...Sale: $329.00MSRP: $399.00 -
On Sale
ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - SIG PINK
Sale: $219.00MSRP: $319.00Always Armed 16" 5.56 NATO Upper Receiver - Sig Pink 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 Pink AR 15 Upper Receiver Chambered in 5.56 NATO Carbine...Sale: $219.00MSRP: $319.00 -
Out of stockOn Sale
ALWAYS ARMED 16" 5.56 NATO TR UPPER RECEIVER - BLACK
Sale: $199.00MSRP: $299.00ALWAYS ARMED 16" 5.56 NATO TR UPPER RECEIVER 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 Profile...Sale: $199.00MSRP: $299.00 -
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 Nitride Carbine Length Gas System Ghost Firearms 9"...Sale: $259.00MSRP: $329.00 -
On Sale
Grid Defense 7.5" 5.56 Flash Can Upper Receiver - Black
Sale: $329.00MSRP: $399.00Grid Defense 7.5" 5.56 NATO Flash Can Upper - Black Hard Coat Black Anodized Finish Mil-Spec 7075-T6 Upper Receiver 7.5" 1:7 Twist 4150 M4 Barrel - Black Nitride Chambered in 5.56x45 NATO 9" Grid Defense Octagon M-Lok Rail Dimpled Flash...Sale: $329.00MSRP: $399.00 -
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
ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - SMITH & WESSON RED
Sale: $219.00MSRP: $319.00Always Armed 16" 5.56 NATO Upper Receiver - Smith & Wesson Red 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...Sale: $219.00MSRP: $319.00 -
On Sale
Ghost Elite 10.5" Upper 5.56 Nato Blue Titanium
Sale: $259.00MSRP: $329.00Ghost Firearms Elite 10.5" 5.56 Upper - Blue Titanium Made in the USA Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider 10.5" 1:7 4150 M4 Barrel Black Nitride Mil-spec Upper Receiver with Carbine Length Gas System Ghost...Sale: $259.00MSRP: $329.00 -
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 Chambered in 5.56x45 NATO Carbine Length Gas System .750 Low...Sale: $329.00MSRP: $399.00 -
On Sale
ALWAYS ARMED 16" 5.56 NATO Upper Receiver with 15" M-LOK Quad Rail
Sale: $209.00MSRP: $329.00ALWAYS ARMED 16" 5.56 NATO Upper Receiver with 15" M-LOK Quad Rail Made in the USA 16" 4150 Barrel Chambered in 5.56 NATO 15" Free Floating MLOK Quad Rail Black Anodized Finish Carbine Length Gas System A2 Muzzle Device 1:7 Twist Rate BCG and...Sale: $209.00MSRP: $329.00 -
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 System Ghost Firearms 7" M-Lok Free Float Hand Guard...Sale: $259.00MSRP: $329.00 -
On Sale
7.5" 5.56 NATO FLASH CAN UPPER RECEIVER WITH 10" MLOK HAND GUARD
Sale: $209.00MSRP: $299.007.5" 5.56 NATO Flash Can Upper Receiver With 10" MLOK Hand Guard Made in the USA Mil Spec 7075 T6 Upper Receiver 7.5" 4150 Steel Barrel with Black Nitride Finish Chambered in 5.56 NATO 10" Free Floating MLOK Hand Guard Pistol Length Gas System 7.5...Sale: $209.00MSRP: $299.00 -
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 Nitride Pistol Length Gas System Ghost Firearms...Sale: $259.00MSRP: $329.00 -
On Sale
ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - BAZOOKA GREEN
Sale: $219.00MSRP: $319.00Always Armed 16" 5.56 NATO Upper Receiver - Bazooka Green 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...Sale: $219.00MSRP: $319.00 -
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 Nitride Chambered in 5.56x45 NATO Carbine Length Gas System .750...Sale: $329.00MSRP: $399.00 -
On Sale
ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - TITANIUM
Sale: $209.00MSRP: $299.00Always Armed 10.5" 5.56 NATO Upper Receiver - Titanium 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
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 System Ghost Firearms 7" M-Lok Free Float Hand Guard Ghost...Sale: $259.00MSRP: $329.00 -
On Sale
ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - BURNT BRONZE
Sale: $209.00MSRP: $299.00Always Armed 10.5" 5.56 NATO Upper Receiver - Burnt Bronze 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 ...Sale: $209.00MSRP: $299.00 -
On Sale
ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - BLACK
Sale: $199.00MSRP: $299.00ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - BLACK Made in the USA Hard Coat Black Anodized 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...Sale: $199.00MSRP: $299.00