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
ALWAYS ARMED 10.5" 5.56 NATO PISTOL KIT - MAGPUL FDE
Sale: $359.00MSRP: $499.00Always Armed 10.5" 5.56 NATO Pistol Kit - Magpul FDE 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 .750 Low...Sale: $359.00MSRP: $499.00 -
Out of stockOn Sale
ALWAYS ARMED ULTRALIGHT SERIES 16" 5.56 NATO UPPER RECEIVER - BLACK
Sale: $219.00MSRP: $319.00ALWAYS ARMED ULTRALIGHT SERIES 16" 5.56 NATO UPPER RECEIVER - BLACK Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" Pencil Profile 4150 Steel Barrel with Black Nitride Finish Chambered in 5.56 NATO Mid...Sale: $219.00MSRP: $319.00 -
Ghost Vital 10.5" Upper 5.56 Nato With Stainless Steel Barrel with BCG & Charging Handle
$399.00GHOST FIREARMS VITAL 10.5" 5.56 UPPER RECEIVER - BLACK Chambered in 5.56x45 NATO (5.56/.223) A2 Birdcage Flash Hider (Black) 10.5" 1:7 Twist 416R M4 Stainless Steel Barrel Carbine Length Gas System Ghost Firearms 9"...$399.00 -
On Sale
Ghost Vital 16" Upper 5.56 NATO With 11" Rail - Black
Sale: $239.00MSRP: $299.00Ghost Vital 16" 5.56 NATO With 11" 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 Ghost Mil-Spec 7075 T6 Upper Receiver Mil-Spec...Sale: $239.00MSRP: $299.00 -
On Sale
Grid Defense 7.5" 5.56 NATO Upper Receiver - Black
Sale: $299.00MSRP: $379.00Grid Defense 7.5" 5.56 NATO Upper Receiver Mil Spec 7075-T6 Upper Receiver 7.5" 1:7 Twist 4150 Light HBAR Barrel - Black Nitride 7" Grid Defense Octagon M-Lok Rail Hard Coat Black Anodized Finish Pistol Length Gas System A2 Flash Hider Chambered...Sale: $299.00MSRP: $379.00 -
Out of stock
ALWAYS ARMED 16" STAINLESS STEEL 5.56 NATO UPPER RECEIVER WITH 15" M-LOK QUAD RAIL WITH BCG, CHARGING HANDLE & SIGHTS
$399.00ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH 15" M-LOK QUAD RAIL Made in the USA 16" 416R Stainless Steel Barrel Chambered in 5.56 NATO 15" Free Floating MLOK Quad Rail Black Anodized Finish Carbine Length Gas System Enhanced Muzzle Device 1:9 Twist...$399.00 -
On Sale
ALWAYS ARMED BX SERIES 16" 5.56 NATO RIFLE KIT - BLACK ANODIZED
Sale: $349.00MSRP: $469.00Always Armed BX Series 16" 5.56 NATO Rifle Kit - Black Anodized 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: $349.00MSRP: $469.00 -
On Sale
GHOST 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - BLACK
Sale: $249.00MSRP: $309.00GHOST 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - BLACK Mil-Spec 7075 Forged Aluminum Upper Receiver 14" Ghost Firearms M-Lok Rail Black Anodized Finish 16" 1:7 Twist 416R Stainless Steel Barrel Stainless Steel A2 Birdcage Muzzle...Sale: $249.00MSRP: $309.00 -
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
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 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 -
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