AR15 - 5.56 NATO
Shop our selection of 5.56 complete uppers and build kits for your next AR-15. Designed for the best performance possible while not breaking the bank. Use these to upgrade your current gun or have a fresh start for something unique. Whether you're building a self defense pistol or a rifle for hunting these uppers will do the job.
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On Sale
Grid Defense Stainless Steel 7.5" 5.56 Upper Receiver - FDE
Sale: $299.00MSRP: $399.00Grid Defense Stainless Steel 7.5" 5.56 Upper Receiver Magpul Flat Dark Earth Cerakote Finish Chambered in 5.56 NATO Stainless Steel A2 Flash Hider 7.5" 1:7 Twist 416R Stainless Steel Barrel - M4 Profile Pistol Length Gas System Grid Defense 7" M-Lok...Sale: $299.00MSRP: $399.00 -
On Sale
ALWAYS ARMED JESTER 16" 5.56 NATO RIFLE KIT - FDE
Sale: $379.00MSRP: $529.00Always Armed Jester 16" 5.56 NATO Rifle Kit - 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: $379.00MSRP: $529.00 -
Grid Defense 16" 5.56 NATO Lightweight Quad Rail Upper Receiver - FDE
$429.00Grid Defense 16" 5.56 NATO Lightweight Quad Rail Upper Receiver - FDE FDE Cerakote Finish Chambered in 5.56 NATO A2 Flash Hider 16" 1:7 Twist Pencil Profile Barrel Mid Length Gas System .625 Low Profile Gas Block Grid Defense 14" M-Lok Free Float Quad...$429.00 -
On Sale
ALWAYS ARMED QUAD MID LENGTH 16" 5.56 NATO RIFLE KIT - FDE
Sale: $409.00MSRP: $639.00ALWAYS ARMED QUAD MIDLENGTH 16" 5.56 NATO RIFLE KIT - FDE Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" Mid Length 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Mid Length Gas...Sale: $409.00MSRP: $639.00 -
On Sale
Ghost 16" 5.56 Mid Length with 11" Rail Rifle Kit - FDE
Sale: $449.00MSRP: $599.00Ghost Firearms 16" 5.56 Mid Length Rifle Kit - FDE Flat Dark Earth (FDE) Cerakote Finish Chambered in 5.56/.223 (5.56x45mm) M16 Bolt Carrier Group Mil-spec Charging Handle A2 Flash Hider 16" 1:7 Twist 4150 Chrome Moly Steel Barrel Black...Sale: $449.00MSRP: $599.00 -
GHOST 7.5" 5.56 BLUE TITANIUM UPPER RECEIVER WITH TEQUILA SUNRISE FLASH CAN
$349.00GHOST 7.5" 5.56 FLASH CAN UPPER RECEIVER Proudly Made in the USA 7075 T6 Forged Aluminum Mil-Spec AR15 Upper Receiver - Blue Titanium 7.5" 1:7 Twist 4150 Steel Barrel Pistol Length Gas System .750 Low Profile Gas Block Tequila Sunrise Cerakote Flash Can...$349.00 -
Out of stock
GHOST FIREARMS 16" 5.56 FRONT SIGHT UPPER WITH BCG/CH - FDE
$449.00GHOST FIREARMS 16" 5.56 FRONT SIGHT UPPER WITH BCG/CH - FDE Made in the USA 16" 5.56 NATO Barrel BCG and Charging Handle Included Magpul FDE Hand Guard A2 Muzzle Device Black Anodized Mil Spec Upper Receiver$449.00 -
GHOST FIREARMS 7.5" 5.56 FLASH CAN UPPER RECEIVER WITH BLUE TITANIUM 9" RAIL
$349.00GHOST FIREARMS 7.5" 5.56 FLASH CAN UPPER RECEIVER Proudly Made in the USA 7075 T6 Forged Aluminum Mil-Spec AR15 Upper Receiver - Black Anodized 7.5" 1:7 Twist 4150 Steel Barrel Pistol Length Gas System .750 Low Profile Gas Block Hard Coat Black Anodized...$349.00 -
On Sale
Ghost Vital 16" Black Upper 5.56 NATO With Blue Titanium 11" Rail
Sale: $259.00MSRP: $329.00Ghost Vital 16" Black Upper 5.56 NATO With 11" Blue Titanium Rail - Black Chambered in 5.56 NATO 16" 1:7 Twist 4150 Barrel Black Nitride Carbine Length Gas System Ghost Firearms 11" M-Lok Free Float Hand Guard Finished in Blue...Sale: $259.00MSRP: $329.00 -
Out of stock
Grid Defense 16" 5.56 Quad Rail Upper Receiver with Timber Creek Accessories - Blue Titanium
$757.97Grid Defense 16" 5.56 Quad Rail Upper Receiver With Timber Creek Red Accessories - Blue Titanium Grid Defense 16" 5.56 Quad Rail Upper Receiver - Blue Titanium Blue Titanium Cerakote Finish Chambered in 5.56x45 NATO 14" M-Lok Quad Rail 16" 1:7 4150 M4...$757.97 -
Out of stock
Grid Defense Limited Edition Stainless Steel 16" 5.56 Upper Receiver with Nickel Boron BCG and Red Strike Industries Accessories
$691.85Grid Defense Limited Edition Stainless Steel 16" 5.56 Upper Receiver Blue Titanium 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"...$691.85 -
On Sale
ALWAYS ARMED 16" JESTER UPPER RECEIVER COMBO DEAL - 5.56 NATO/.300 BLACKOUT - FDE
Sale: $458.00MSRP: $658.00Always Armed 16" 5.56 NATO Jester Upper Receiver - 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 ...Sale: $458.00MSRP: $658.00 -
Aero Precision 16" 5.56 NATO Upper Receiver - FDE
$534.99Aero Precision 16" 5.56 NATO Upper Receiver - FDE M4E1 Threaded Assembled Upper Receiver ATLAS S-ONE M-LOK Handguard of choice 16" 5.56 CMV Barrel Low Profile Gas Block and Mid-Length Gas Tube Product comes assembled This complete upper does not...$534.99