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.
-
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 Nitride A2 Birdcage Muzzle Device Carbine Length Gas...Sale: $249.00MSRP: $319.00 -
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
ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - BLACK
Sale: $199.00MSRP: $299.00Always Armed 16" 5.56 NATO Upper Receiver - Black 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: $199.00MSRP: $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 (5.56/.223) A2 Flash Hider 16" 1:7 Twist 4150 M4 Barrel Black Nitride...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 System Ghost Firearms 14" M-Lok Free Float Hand Guard Ghost...Sale: $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 - Burnt Bronze AR15 UPPER Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider 16" 1:7 Twist 4150 M4 Barrel Black Nitride Carbine Length Gas System Ghost Firearms 14"...Sale: $269.00MSRP: $349.00 -
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 Black Nitride Carbine Length Gas System Ghost Firearms 14" M-Lok Free...Sale: $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 Hider 16" 1:7 Twist 4150 M4 Barrel Black Nitride Carbine Length Gas...Sale: $269.00MSRP: $349.00 -
On Sale
ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - BURNT BRONZE
Sale: $219.00MSRP: $319.00ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - BURNT BRONZE 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...Sale: $219.00MSRP: $319.00 -
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 Finish AR15 Complete Upper Chambered in 5.56x45 NATO 14" M-Lok Rail 16" 1:7 4150 M4 Barrel - Black Nitride Carbine Length Gas System A2...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
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
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
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
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
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 -
ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH MID LENGTH GAS SYSTEM, 12" M-LOK RAIL, POP UP SIGHTS AND ANGLED FOREGRIP
$319.00ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH 12" M-LOK RAIL, POP UP SIGHTS AND ANGLED FOREGRIP Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" 1:7 Twist 4150 Steel Barrel with Black Nitride...$319.00