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
Ghost 16" 5.56 Mid Length with 11" Rail Rifle Kit - OD Green
Sale: $443.33MSRP: $599.00Ghost Firearms 16" 5.56 Mid Length Rifle Kit -Â OD Green Finished in Olive Drab Green Cerakote Chambered in 5.56/.223 (5.56x45mm) M16 Bolt Carrier Group Mil-spec Charging HandleÂSale: $443.33MSRP: $599.00 -
On Sale
Ghost Vital 16" Black Upper 5.56 NATO With Burnt Bronze 11" Rail
Sale: $259.00MSRP: $329.00Ghost Vital 16" Black Upper 5.56 NATO With 11" Burnt Bronze Rail - Black Chambered in 5.56 NATO 16" 1:7 Twist 4150 Barrel Black Nitride Carbine Length Gas System Ghost Firearms 11" M-Lok&nbsSale: $259.00MSRP: $329.00 -
On Sale
Ghost Vital 16" Black Upper 5.56 NATO With FDE 14" Rail
Sale: $259.00MSRP: $329.00Ghost Vital 16" Black Upper 5.56 NATO With 14" FDE Rail - Black Chambered in 5.56 NATO 16" 1:7 Twist 4150 Barrel Black Nitride Carbine Length Gas System Ghost Firearms 14" M-Lok Free FlSale: $259.00MSRP: $329.00 -
Out of stockOn Sale
Grid Defense 7.5" 5.56 Flash Can Upper Receiver - Gold
Sale: $339.00MSRP: $409.00Grid Defense 7.5" 5.56 Flash Can Upper Receiver - Gold Finished in Cerakote FX Gold 5.56 Upper Receiver 7075-T6 Mil-Spec Upper Receiver 7.5" 1:7 Twist 4150 M4 Barrel - Black Nitride Chambered...Sale: $339.00MSRP: $409.00 -
On Sale
Grid Defense Stainless Steel 10.5" 5.56 Upper Receiver - Black
Sale: $299.00MSRP: $399.00Grid Defense Stainless Steel 10.5" 5.56 Upper Receiver - Black Hard Coat Black Anodized Finish Chambered in 5.56 NATO Stainless Steel A2 Flash Hider 10.5" 1:7 Twist 416R Stainless Steel Barrel...Sale: $299.00MSRP: $399.00 -
Out of stock
Grid Defense Stainless Steel 7.5" 5.56 Upper Receiver - Tactical Grape
$399.00Grid Defense Stainless Steel 7.5" 5.56 Upper Receiver Purple Cerakote Finish Chambered in 5.56 NATO Stainless Steel A2 Flash Hider 7.5" 1:7 Twist 416R Stainless Steel Barrel - M4 Profile Pistol...$399.00 -
On Sale
ALWAYS ARMED 10.5" 5.56 NATO GEN 1 PISTOL KIT
$319.00 - $339.00Always Armed 10.5" 5.56 NATO Gen 1 Pistol Kit 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...$319.00 - $339.00 -
On Sale
ALWAYS ARMED 10.5" 5.56 NATO GEN 1 UPPER RECEIVER
$169.00 - $189.00Always Armed 10.5" 5.56 NATO Gen 1 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...$169.00 - $189.00 -
On Sale
ALWAYS ARMED 10.5" 5.56 NATO STAINLESS STEEL GEN 1 UPPER RECEIVER
$169.00 - $189.00Always Armed 10.5" 5.56 NATO Stainless Steel Gen 1 Upper Receiver Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 10.5" 1:7  Twist 416R Stainless Steel...$169.00 - $189.00 -
On Sale
ALWAYS ARMED 10.5" 5.56 NATO TR SERIES UPPER RECEIVER
$169.00 - $189.00Always Armed 10.5" 5.56 NATO TR Series 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...$169.00 - $189.00 -
On Sale
ALWAYS ARMED 16" 5.56 NATO BR SERIES RIFLE KIT
$329.00 - $349.00Always Armed 16" 5.56 NATO BR Series Rifle Kit 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...$329.00 - $349.00 -
On Sale
ALWAYS ARMED 16" 5.56 NATO GEN 1 RIFLE KIT
$329.00 - $349.00Always Armed 16" 5.56 NATO Gen 1 Rifle Kit 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...$329.00 - $349.00 -
On Sale
ALWAYS ARMED 16" 5.56 NATO MID LENGTH GEN 1 RIFLE KIT
$329.00 - $349.00Always Armed 16" 5.56 NATO Mid Length Gen 1 Rifle Kit 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...$329.00 - $349.00 -
On Sale
ALWAYS ARMED 16" 5.56 NATO QUAD RAIL UPPER RECEIVER
$209.00 - $229.00Always Armed 16" 5.56 NATO Quad Rail Upper Receiver Made in the USA 16" 4150 Black Nitride Barrel 1:7 Twist Rate Chambered in 5.56 NATO 15" Quad Rail Free Floating MLOK Quad Rail Hard Coat Black...$209.00 - $229.00 -
ALWAYS ARMED 5" 5.56 NATO GEN 1 IHS UPPER RECEIVER
$299.00Build the ultimate ultra-compact AR-15 pistol with the Always Armed 5" 5.56 Gen 1 IHS Upper Receiver. Engineered for extreme maneuverability and close-quarters performance, this complete upper...$299.00 -
ALWAYS ARMED 7.5" 5.56 NATO OCTO SERIES PISTOL KIT
$319.00 - $339.00Always Armed 7.5" 5.56 NATO Octo Series Pistol Kit 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...$319.00 - $339.00 -
Out of stockOn Sale
Always Armed OCT2 10.5" 5.56 Upper Receiver
Sale: $189.00MSRP: $309.00Build a high-performance AR pistol or short-barreled rifle (SBR) with the Always Armed OCT2 10.5" 5.56 Upper Receiver. Engineered for compact handling, durability, and tactical adaptability, this...Sale: $189.00MSRP: $309.00 -
Out of stockOn Sale
Ghost Elite 16" 5.56 NATO Join or Die Upper Receiver - Black
Sale: $259.00MSRP: $354.00Ghost Elite 16" 5.56 NATO Join or Die 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...Sale: $259.00MSRP: $354.00 -
GHOST FIREARMS 7.5" 5.56 FLASH CAN UPPER RECEIVER WITH BURNT BRONZE 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...$349.00 -
Out of stock
Ghost Firearms Limited Edition 7.5" 5.56 Flash Can Upper with Strike Industries Dust Cover and Timber Creek Forward Assist - Black/FDE
$416.94Ghost Firearms 7.5" Flash Can Upper Receiver Hard Coat Black Anodized Finish Milspec 7075-T6 Upper Receiver 7.5" 1:7 4150 M4 Barrel - Black Nitride Chambered in 5.56x45 NATO .750 Low Profile Gas...$416.94