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 10.5" 5.56 Upper Receiver - OD Green
Sale: $299.00MSRP: $379.00Grid Defense 10.5" 5.56 Upper Receiver Finished in Magpul Olive Drab Green 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 System A2...Sale: $299.00MSRP: $379.00 -
On Sale
ALWAYS ARMED OCTO SERIES 10.5" 5.56 UPPER RECEIVER - FDE
Sale: $209.00MSRP: $299.00ALWAYS ARMED OCTO SERIES 10.5" 5.56 UPPER RECEIVER - FDE Made in the USA Magpul FDE Cerakote Finish Mil-Spec AR15 7075 T6 Upper Receiver with Dust Cover and Forward Assist 9.25" Free Float M-LOK OCTO Series Rail 10.5" 1:7 Twist Barrel with Black Nitride...Sale: $209.00MSRP: $299.00 -
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 -
Grid Defense 10.5" 5.56 Flash Can Upper Receiver - Tactical Grape
$399.00Grid Defense 10.5" 5.56 Flash Can Upper Receiver Finished in Purple Cerakote 5.56 Upper Receiver 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 ...$399.00 -
ALWAYS ARMED Jester 10.5" 5.56 NATO UPPER RECEIVER - BLACK
$279.00ALWAYS ARMED JESTER 16" 5.56 NATO UPPER RECEIVER Made in the USA Mil-Spec 7075 T6 5.56 Nato 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...$279.00 -
On Sale
Grid Defense 10.5" 5.56 Upper Receiver - Burnt Bronze
Sale: $299.00MSRP: $379.00Grid Defense 10.5" 5.56 Upper Receiver Finished in Burnt Bronze 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 System A2 Flash Hider...Sale: $299.00MSRP: $379.00 -
ALWAYS ARMED 10.5" 5.56 NATO TR SERIES WITH TRINITY FORCE SIGHTS PISTOL KIT - BLACK ANODIZED
$489.00Always Armed 10.5" 5.56 NATO TRX Series with Trinity Force Sights Pistol Kit - Black Anodized 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...$489.00 -
On Sale
Ghost Firearms 10.5" 5.56 Flash Can Upper Receiver Pistol Kit - Burnt Bronze
Sale: $449.00MSRP: $599.00Ghost Firearms 10.5" Flash Can Upper Receiver Pistol Build Kit Finished in Burnt Bronze Cerakote Milspec 7075-T6 Upper Receiver 10.5" 1:7 4150 M4 Barrel - Black Nitride Chambered in 5.56x45 NATO .750 Low Profile Gas Block Carbine Length Gas System Ghost...Sale: $449.00MSRP: $599.00 -
On Sale
Grid Defense 10.5" 5.56 Flash Can Upper Receiver - Zombie Green
Sale: $329.00MSRP: $399.00GRID DEFENSE 10.5" 5.56 FLASH CAN UPPER RECEIVER - ZOMBIE GREEN Finished in Zombie 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 ...Sale: $329.00MSRP: $399.00 -
Ghost Elite 10.5" 5.56 Nato OD Green w/ Stainless Steel Upgrade & Nickel Boron BCG black charging handle
$449.00Ghost Firearms Elite 10.5" 5.56 Complete Upper - OD Green Made in the USA Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider Upgraded Stainless Steel 416R 10.5" 1:7 Twist M4 Barrel Carbine Length Gas System Ghost Firearms 9"...$449.00 -
On Sale
Ghost Firearms 10.5" 5.56 Flash Can Upper Receiver Pistol Kit - Blue Titanium
Sale: $399.00MSRP: $599.00Ghost Firearms 10.5" Flash Can Upper Receiver Pistol Build Kit Finished in Blue Titanium Cerakote Milspec 7075-T6 Upper Receiver 10.5" 1:7 4150 M4 Barrel - Black Nitride Chambered in 5.56x45 NATO .750 Low Profile Gas Block Carbine Length Gas System...Sale: $399.00MSRP: $599.00 -
GRID DEFENSE 10.5" 5.56 STAINLESS STEEL FLASH CAN UPPER RECEIVER WITH RADIAN RAPTOR CHARGING HANDLE & NIB BOLT CARRIER GROUP
$599.00Grid Defense 10.5" 5.56 Stainless Steel Flash Can Upper Receiver With Radian Raptor Charging Handle & NIB Bolt Carrier Group Hard Coat Black Anodized Finish Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:7 Twist 416R Stainless Steel M4...$599.00 -
On Sale
Ghost Firearms 10.5" 5.56 Flash Can Upper Receiver Pistol Kit - Tungsten Gray
Sale: $449.00MSRP: $599.00Ghost Firearms 10.5" Flash Can Upper Receiver Pistol Build Kit Finished in Tungsten Gray Cerakote Milspec 7075-T6 Upper Receiver 10.5" 1:7 4150 M4 Barrel - Black Nitride Chambered in 5.56x45 NATO .750 Low Profile Gas Block Carbine Length Gas System...Sale: $449.00MSRP: $599.00 -
On Sale
10.5" 5.56mm with 9" M-Lok Pistol Kit OD Green
Sale: $439.00MSRP: $579.00Ghost Firearms 10.5" 5.56 Pistol Kit - OD Green OD Green Cerakote Finish Chambered in 5.56/.223 (5.56x45mm) M16 Bolt Carrier Group Mil-spec Charging Handle A2 Flash Hider 10.5" 1:7 Twist 4150 Chrome Moly Steel Barrel Black Nitride...Sale: $439.00MSRP: $579.00 -
ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER WITH 12" MLOK RAIL & TEQUILA SUNRISE FLASH CAN - BLACK
$299.00ALWAYS ARMED 10.5" 5.56 NATO FLAHS CAN UPPER RECEIVER 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 ...$299.00 -
On Sale
ALWAYS ARMED OCTO SERIES 10.5" 5.56 NATO UPPER RECEIVER - BURNT BRONZE
Sale: $209.00MSRP: $299.00ALWAYS ARMED OCTO SERIES 10.5" 5.56 NATO UPPER RECEIVER - BURNT BRONZE Made in the USA Burnt Bronze Cerakote Finish Mil-Spec AR15 7075 T6 Upper Receiver with Dust Cover and Forward Assist 9.25" Free Float M-LOK OCTO Series Rail 10.5" 1:7 Twist Barrel...Sale: $209.00MSRP: $299.00 -
On Sale
Ghost Firearms 10.5" 5.56 Flash Can Upper Receiver Pistol Kit - OD Green
Sale: $449.00MSRP: $599.00Ghost Firearms 10.5" Flash Can Upper Receiver Pistol Build Kit Finished in Magpul Olive Drab Green Cerakote Milspec 7075-T6 Upper Receiver 10.5" 1:7 4150 M4 Barrel - Black Nitride Chambered in 5.56x45 NATO .750 Low Profile Gas Block Carbine Length Gas...Sale: $449.00MSRP: $599.00 -
On Sale
Ghost Vital 10.5" 5.56 American Flag Dust Cover Upper Receiver - Black
Sale: $239.00MSRP: $299.00Ghost Firearms Vital 10.5" Upper With American Flag Dust Cover - Black Chambered in 5.56 NATO Mil Spec Upper Receiver with Dust Cover and Forward Assist A2 Birdcage Flash Hider 10.5" 1:7 4150 M4 Barrel - Black Nitride Carbine...Sale: $239.00MSRP: $299.00 -
On Sale
10.5" 5.56MM WITH 9" M-LOK PISTOL KIT - TACTICAL GRAPE
Sale: $439.00MSRP: $579.00Ghost Firearms 10.5" 5.56 Pistol Kit - Tactical Grape Purple Cerakote Finish Chambered in 5.56/.223 (5.56x45mm) M16 Bolt Carrier Group Mil-spec Charging Handle A2 Flash Hider 10.5" 1:7 or 1:8 Twist 4150 Chrome Moly Steel Barrel Black...Sale: $439.00MSRP: $579.00 -
On Sale
Grid Defense 10.5" 5.56 Upper Receiver - Blue Titanium
Sale: $299.00MSRP: $379.00Grid Defense 10.5" 5.56 Upper Receiver Finished in Blue Titanium 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 System A2 Flash Hider...Sale: $299.00MSRP: $379.00