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.
-
On Sale
Ghost Vital 7.5" Upper 5.56 Nato
Sale: $239.00MSRP: $299.00Ghost Firearms Vital 7.5" Upper Chambered in 5.56x45 NATO (5.56/.223) A2 Birdcage Flash Hider 7.5" 1:7 Twist 4150 M4 Barrel Black Nitride Pistol Length Gas System Ghost Firearms 7" M-Lok Free Float Hand Guard Ghost...Sale: $239.00MSRP: $299.00 -
On Sale
Ghost Vital 7.5" 5.56 Pistol Kit
Sale: $419.00MSRP: $479.00Ghost Firearms Vital 7.5" Upper Chambered in 5.56x45 NATO (5.56/.223) A2 Birdcage Flash Hider 7.5" 1:7 Twist 4150 M4 Barrel Black Nitride Pistol Length Gas System Ghost Firearms 7" M-Lok Free Float Hand Guard Ghost...Sale: $419.00MSRP: $479.00 -
On Sale
Grid Defense 7.5" 5.56 Flash Can Upper Receiver - Black
Sale: $329.00MSRP: $399.00Grid Defense 7.5" 5.56 NATO Flash Can Upper - Black Hard Coat Black Anodized Finish Mil-Spec 7075-T6 Upper Receiver 7.5" 1:7 Twist 4150 M4 Barrel - Black Nitride Chambered in 5.56x45 NATO 9" Grid Defense Octagon M-Lok Rail Dimpled Flash...Sale: $329.00MSRP: $399.00 -
On Sale
7.5" 5.56 NATO FLASH CAN UPPER RECEIVER WITH 10" MLOK HAND GUARD
Sale: $209.00MSRP: $299.007.5" 5.56 NATO Flash Can Upper Receiver With 10" MLOK Hand Guard Made in the USA Mil Spec 7075 T6 Upper Receiver 7.5" 4150 Steel Barrel with Black Nitride Finish Chambered in 5.56 NATO 10" Free Floating MLOK Hand Guard Pistol Length Gas System 7.5...Sale: $209.00MSRP: $299.00 -
On Sale
ALWAYS ARMED 7.5" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - BLACK
Sale: $209.00MSRP: $269.00ALWAYS ARMED 7.5" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - BLACK 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 Length Gas System .750...Sale: $209.00MSRP: $269.00 -
On Sale
ALWAYS ARMED 7.5" 5.56 NATO TR SERIES UPPER RECEIVER - BLACK ANODIZED
Sale: $189.00MSRP: $249.00ALWAYS ARMED 7.5" 5.56 NATO TR SERIES 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 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Pistol Length Gas...Sale: $189.00MSRP: $249.00 -
Out of stockOn Sale
ALWAYS ARMED 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER WITH 9.25" MLOK RAIL - BLACK
Sale: $229.00MSRP: $299.00ALWAYS ARMED 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER WITH 9.25" MLOK RAIL - BLACK Hard Coat Black Anodized Finish Mil-Spec AR15 Upper Receiver with Dust Cover and Forward Assist 9.25" Free Float M-LOK Rail 7.5" 1:7 Twist 4150 Barrel with Black Nitride...Sale: $229.00MSRP: $299.00 -
On Sale
ALWAYS ARMED 7.5" 5.56 NATO PISTOL KIT - BLACK
Sale: $339.00MSRP: $459.00Always Armed 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 Gas System .750...Sale: $339.00MSRP: $459.00 -
On Sale
Ghost Firearms 7.5" 5.56 Flash Can Upper Receiver Pistol Kit - Black Anodized
Sale: $449.00MSRP: $599.00Ghost Firearms 7.5" Flash Can Upper Receiver Pistol Build Kit The new AR15 build kits with Mil-Spec complete upper receiver and flash can. Hard Coat Black Anodized Finish Milspec 7075-T6 Upper Receiver 7.5" 1:7 4150 M4 Barrel - Black Nitride...Sale: $449.00MSRP: $599.00 -
On Sale
ALWAYS ARMED 7.5" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - BLACK ANODIZED
Sale: $179.00MSRP: $279.00ALWAYS ARMED 7.5" 5.56 NATO 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 Length...Sale: $179.00MSRP: $279.00 -
On Sale
ALWAYS ARMED 7.5" 5.56 NATO BX SERIES UPPER RECEIVER - BLACK ANODIZED
Sale: $189.00MSRP: $249.00ALWAYS ARMED 7.5" 5.56 NATO BX SERIES 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 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Pistol Length Gas...Sale: $189.00MSRP: $249.00 -
On Sale
ALWAYS ARMED 7.5" 5.56 NATO TR SERIES PISTOL KIT - BLACK ANODIZED
Sale: $339.00MSRP: $459.00Always Armed 7.5" 5.56 NATO TR Series 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 Gas...Sale: $339.00MSRP: $459.00 -
On Sale
ALWAYS ARMED 7.5" 5.56 NATO STAINLESS STEEL TR SERIES UPPER RECEIVER - BLACK ANODIZED
Sale: $209.00MSRP: $269.00ALWAYS ARMED 7.5" 5.56 NATO STAINLESS STEEL TR SERIES 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: $209.00MSRP: $269.00 -
Out of stockOn Sale
US MILITARY 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER WITH 9" JESTER RAIL - BLACK
Sale: $229.00MSRP: $299.00VETERAN'S DAY 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER WITH 9" MLOK RAIL - BLACK Hard Coat Black Anodized Finish Mil-Spec AR15 Upper Receiver Mil-Spec Forward Assist Laser Engraved Dust Cover 9" Jester Free Float M-LOK Rail 7.5" 1:7 Twist 4150...Sale: $229.00MSRP: $299.00 -
On Sale
ALWAYS ARMED 7.5" 5.56 NATO TR SERIES WITH TRINITY FORCE SIGHTS PISTOL KIT - BLACK ANODIZED
Sale: $349.00MSRP: $489.00Always Armed 7.5" 5.56 NATO TR 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 7.5" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56...Sale: $349.00MSRP: $489.00 -
Out of stock
ALWAYS ARMED COMPLETE 7.5" 5.56 NATO UPPER RECEIVER WITH 7" KEYMOD RAIL, BCG, CHARGING HANDLE & SIGHTS
$399.00ALWAYS ARMED COMPLETE 7.5" 5.56 NATO 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 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Pistol Length Gas...$399.00 -
Out of stock
Grid Defense GX2 7.5" 5.56 Flash Can Upper Receiver - Black Anodized
$399.00Grid Defense GX2 7.5" 5.56 NATO Flash Can Upper Mil-Spec 7075-T6 Upper Receiver 7.5" 1:7 Twist 4150 M4 Barrel - Black Nitride Chambered in 5.56x45 NATO 9" Grid Defense GX2 Octagon M-Lok Rail Dimpled Flash Can Pistol Length Gas System Made in the...$399.00 -
On Sale
Ghost 7.5" 5.56 Stainless Steel Upper Receiver - Black
Sale: $229.00MSRP: $319.00Ghost 7.5" 5.56 Stainless Steel Upper Receiver - Black Chambered in 5.56x45 NATO (5.56/.223) A2 Birdcage Flash Hider 7.5" 1:7 Twist 416R Stainless Steel Barrel Pistol Length Gas System Ghost Firearms 7" M-Lok Free...Sale: $229.00MSRP: $319.00 -
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 -
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