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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ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER WITH 12" RAIL, SIGHTS, AND AFG - BLACK
$369.00ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER WITH 12" RAIL, SIGHTS, AND AFG - BLACK Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" 1:7 Twist 416R Stainless Steel Barrel Chambered in 5.56...$369.00 -
Out of stockOn Sale
ALWAYS ARMED LIGHTWEIGHT SERIES 16" 5.56 NATO UPPER RECEIVER WITH 12" RAIL - BLACK
Sale: $219.00MSRP: $319.00ALWAYS ARMED LIGHTWEIGHT 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 -
Out of stockOn Sale
ALWAYS ARMED ULTRALIGHT 16" 5.56 NATO RIFLE KIT - BLACK ANODIZED
Sale: $409.00MSRP: $609.00Always Armed 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" Pencil 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Mid Length Gas System .750...Sale: $409.00MSRP: $609.00 -
On 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 Nitride A2 Birdcage Muzzle Device Carbine Length Gas...Sale: $259.00MSRP: $354.00 -
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 Block Pistol Length Gas System Ghost Firearms 9" M-Lok...$416.94 -
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 - M4 Profile Carbine Length Gas System Grid Defense...Sale: $299.00MSRP: $399.00 -
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 Float Hand Guard Finished in Flat Dark Earth...Sale: $259.00MSRP: $329.00 -
Andro Corp 5" 5.56 Upper Receiver - Black
$415.00Andro Corp 5" 5.56 Upper Receiver - Black 4150 CMV Melonite 1:5 Twist Rate M4 Feed Ramps Micro Length Gas System .750 Low Profile Gas Block QPQ Corrosion Resistant Finish A2 Flash Hider 1/2x28 Threaded Muzzle 5" M-LOK Hand Guard 7075-T6...$415.00 -
On Sale
Ghost Vital 7.5" 5.56 Stainless Steel Pistol Kit
Sale: $419.00MSRP: $479.00Ghost Firearms Vital 7.5" 5.56 Upper Stainless Steel - Black Chambered in 5.56x45 NATO (5.56/.223) A2 Birdcage Flash Hider - Black 7.5" 1:7 Twist 416R Stainless Steel Barrel Pistol Length Gas System Ghost Firearms 7" M-Lok Free...Sale: $419.00MSRP: $479.00