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 Vital 16" Black Upper 5.56 NATO With FDE 11" Rail
Sale: $259.00MSRP: $329.00Ghost Vital 16" Black Upper 5.56 NATO With 11" FDE 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 Flat Dark Earth...Sale: $259.00MSRP: $329.00 -
Out of stock
Always Armed 16" Upper Receiver with Straight Fluted Stainless Steel Barrel and 12" Key Mod Rail
$309.00Always Armed 16" Upper Receiver with Straight Fluted Stainless Steel Barrel and 12" Key Mod Rail Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" 1:8 Twist 416R Stainless Steel Barrel with Straight...$309.00 -
On Sale
BLEM ALWAYS ARMED 7.5" 5.56 NATO OCT2 SERIES UPPER RECEIVER - BLACK
Sale: $179.00MSRP: $249.00BLEM ALWAYS ARMED 7.5" 5.56 NATO TR SERIES UPPER RECEIVER - BLACK 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 in 5.56 NATO Pistol Length...Sale: $179.00MSRP: $249.00 -
On Sale
Ghost Firearms 7.5" 5.56 Stainless Steel Flash Can Upper Receiver - Black
Sale: $289.00MSRP: $349.00GHOST FIREARMS 7.5" 5.56 STAINLESS STEEL FLASH CAN UPPER RECEIVER Proudly Made in the USA 7075 T6 Forged Aluminum Mil-Spec AR15 Upper Receiver 7.5" 1:7 Twist 416R Stainless Steel Barrel Pistol Length Gas System .750 Low Profile Gas Block Flash Can...Sale: $289.00MSRP: $349.00 -
On Sale
Grid Defense Stainless Steel 10.5" 5.56 Upper Receiver - Tungsten Gray
Sale: $299.00MSRP: $399.00Grid Defense Stainless Steel 10.5" 5.56 Upper Receiver High quality AR15 upper receivers Tungsten Gray Cerakote Finish Stainless Steel AR 15 Upper Receiver Chambered in 5.56 NATO Grid Defense Mil Spec 7075 T6 Upper Receiver Grid Defense 9" M-Lok...Sale: $299.00MSRP: $399.00 -
On Sale
ALWAYS ARMED 7.5" 5.56 NATO COMPLETE STAINLESS STEEL UPPER RECEIVER WITH BCG/CH/ENHANCED FLASH HIDER - BLACK ANODIZED
Sale: $269.00MSRP: $469.00ALWAYS ARMED 7.5" 5.56 NATO COMPLETE STAINLESS STEEL UPPER RECEIVER - BLACK ANODIZED Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7.5" 1:7 Twist 416R Stainless Steel Barrel Chambered in 5.56 NATO Pistol...Sale: $269.00MSRP: $469.00 -
ALWAYS ARMED COMPLETE 10.5" 5.56 STAINLESS STEEL FLASH CAN UPPER RECEIVER WITH 12"MLOK RAIL, BCG, CHARGING HANDLE & SIGHTS
$399.00ALWAYS ARMED COMPLETE 10.5" 9MM FLASH CAN UPPER RECEIVER WITH 12" RAIL - BLACK ANODIZED Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 10.5" 1:7 Twist 416R Stainless Steel Barrel Chambered in 5.56 NATO...$399.00 -
Out of stock
ALWAYS ARMED COMPLETE 16" 5.56 NATO STAINLESS STEEL FLUTED UPPER RECEIVER WITH 10" KEYMOD RAIL, BCG, CHARGING HANDLE & SIGHTS
$369.99ALWAYS ARMED COMPLETE 16" 5.56 NATO STAINLESS STEEL FLUTED UPPER RECEIVER WITH 10" KEYMOD RAIL, BCG, CHARGING HANDLE & SIGHTS Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" 1:8 Twist 416R Stainless Steel...$369.99 -
On Sale
Ghost 10.5" American Flag Engraved Upper 5.56 Pistol Kit - Black
Sale: $419.00MSRP: $494.00Ghost 10.5" American Flag Engraved Upper 5.56 Pistol Kit - Black Chambered in 5.56x45 NATO (5.56/.223) A2 Birdcage Flash Hider 10.5" 1:7 Twist 4150 M4 Barrel Black Nitride Carbine Length Gas System Ghost Firearms 9" M-Lok Free...Sale: $419.00MSRP: $494.00 -
Out of stockOn Sale
GHOST 16" 5.56 NATO UPPER RECEIVER - PERIWINKLE
Sale: $269.00MSRP: $349.00GHOST FIREARMS ELITE 16" 5.56 UPPER RECEIVER Periwinkle Cerakote Finished Ghost Elite 16 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...Sale: $269.00MSRP: $349.00 -
On Sale
GHOST FIREARMS 16" 5.56 NATO MID LENGTH UPPER RECEIVER - FDE
Sale: $269.00MSRP: $349.00GHOST FIREARMS 16" 5.56 NATO MID LENGTH UPPER RECEIVER - FDE Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" 1:7 Twist 4150 Steel Mid Length Barrel with Black Nitride Finish Chambered in 5.56 NATO Mid...Sale: $269.00MSRP: $349.00 -
On Sale
Ghost Firearms 7.5" 5.56 Flash Can Upper Receiver FDE - Matching
Sale: $359.00MSRP: $399.00Ghost Firearms 7.5" 5.56 Flash Can Upper Receiver FDE - Matching Proudly Made in the USA 7075 T6 Forged Aluminum Mil-Spec AR15 Upper Receiver 7.5" 1:7 Twist 4150 M4 Barrel Black Nitride Finished in Flat Dark Earth Cerakote Pistol Length Gas...Sale: $359.00MSRP: $399.00 -
On Sale
Ghost IHS 5" 5.56 NATO Upper Receiver - Gold
Sale: $269.00MSRP: $339.00Ghost IHS 5" 5.56 Upper - Gold Cerakote FX Gold Upper Receiver Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider 5" 1:5 Twist 4150 Chrome Moly Vanadium Barrel 1/2x28 Thread Pitch Micro Length Gas System Ghost 4.25" Integral...Sale: $269.00MSRP: $339.00 -
On Sale
Ghost Vital 16" Black Upper 5.56 NATO With Tungsten Gray 11" Rail
Sale: $259.00MSRP: $329.00Ghost Vital 16" Black Upper 5.56 NATO With 11" Tungsten Gray 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 Tungsten...Sale: $259.00MSRP: $329.00 -
Out of stock
GRID DEFENSE 10.5" 5.56 UPPER RECEIVER W/ BCG, CHARGING HANDLE, MBUS & AXE BRAKE
$559.00GRID DEFENSE 10.5" 5.56 STAINLESS STEEL COMPLETE UPPER RECEIVER W/ MBUS & AXE BRAKE Hard Coat Black Anodized Finish Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:7 Twist 416R Stainless Steel M4 Profile Barrel Chambered in 5.56x45...$559.00 -
On Sale
Grid Defense Stainless Steel 16" 5.56 Upper Receiver - Black
Sale: $329.00MSRP: $429.00Grid Defense Stainless Steel 16" 556 Upper Receiver - Black Hard Coat Black Anodized 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"...Sale: $329.00MSRP: $429.00 -
Out of stock
ALWAYS ARMED 10.5" 5.56 NATO FLASH CAN UPPER RECEIVER - MAGPUL FDE/OD GREEN LIMITED EDITION
$358.00Always Armed 10.5" 5.56 NATO Flash Can Upper Receiver - LIMITED EDITION Made in the USA Magpul FDE Mil-Spec 7075 T6 Upper Receiver Forward Assist Timber Creek Outdoors Billet Dust Cover - OD Green 10.5" 1:7 Twist 4150 Barrel with Black...$358.00 -
On Sale
ALWAYS ARMED 16" 5.56 NATO BX SERIES UPPER RECEIVER - TUNGSTEN GRAY
Sale: $219.00MSRP: $319.00ALWAYS ARMED 16" 5.56 NATO BX SERIES UPPER RECEIVER - TUNGSTEN GRAY 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 7.5" 5.56 NATO STAINLESS STEEL UPPER RECEIVER WITH ENHANCED MUZZLE DEVICE - BLACK ANODIZED
Sale: $209.00MSRP: $289.00ALWAYS ARMED 7.5" 5.56 NATO STAINLESS STEEL UPPER RECEIVER WITH ENHANCED MUZZLE DEVICE - BLACK ANODIZED Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7.5" 1:7 Twist 416R Stainless Steel Barrel Chambered in 5.56...Sale: $209.00MSRP: $289.00 -
On Sale
ALWAYS ARMED BX SERIES 7.5" 5.56 NATO PISTOL KIT - BLACK ANODIZED
Sale: $339.00MSRP: $449.99ALWAYS ARMED BX SERIES 7.5" 5.56 NATO PISTOL KIT - BLACK ANODIZED 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 in 5.56 NATO Pistol Length...Sale: $339.00MSRP: $449.99