5.56mm Uppers
Our 5.56mm uppers are made from the highest quality materials, ensuring that they can withstand even the most challenging shooting conditions. We offer a variety of barrel lengths and styles to fit your specific needs, as well as handguards, charging handles, and other components to complete your build.
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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 Jester 16" 5.56 NATO UPPER RECEIVER WITH 12" RAIL- BLACK
Sale: $199.00MSRP: $299.00ALWAYS ARMED JESTER 16" 5.56 NATO UPPER RECEIVER Made in the USA Mil-Spec 7075 T6 5.56 Nato Upper Receiver with Dust Cover and Forward Assist 16" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Carbine...Sale: $199.00MSRP: $299.00 -
On Sale
ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH 12" TR MLOK RAIL - BLACK
Sale: $199.99MSRP: $299.00ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH 12" TR MLOK RAIL Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" 1:7 Twist 4150 Steel Barrel with Black Nitride Finish Chambered in 5.56 NATO Carbine...Sale: $199.99MSRP: $299.00 -
ALWAYS ARMED Jester 10.5" 5.56 NATO UPPER RECEIVER - BLACK
$279.00ALWAYS ARMED JESTER 16" 5.56 NATO UPPER RECEIVER Made in the USA Mil-Spec 7075 T6 5.56 Nato 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...$279.00 -
GRID DEFENSE 10.5" 5.56 STAINLESS STEEL FLASH CAN UPPER RECEIVER WITH RADIAN RAPTOR CHARGING HANDLE & NIB BOLT CARRIER GROUP
$599.00Grid Defense 10.5" 5.56 Stainless Steel Flash Can Upper Receiver With Radian Raptor Charging Handle & NIB Bolt Carrier Group Hard Coat Black Anodized Finish Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:7 Twist 416R Stainless Steel M4...$599.00 -
Out of stock
ALWAYS ARMED 20" 5.56 NATO UPPER RECEIVER WITH 15" M-LOK QUAD RAIL
$299.00ALWAYS ARMED 20" 5.56 NATO UPPER RECEIVER WITH 15" M-LOK QUAD RAIL Made in the USA 7075-T6 Mil-Spec Upper Receiver 20" 4150 Steel Barrel Chambered in 5.56 NATO 15" Free Floating MLOK Quad Rail Black Anodized Finish Rifle Length Gas System A2...$299.00 -
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 -
ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER WITH 12" MLOK RAIL & TEQUILA SUNRISE FLASH CAN - BLACK
$299.00ALWAYS ARMED 10.5" 5.56 NATO FLAHS CAN 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 in 5.56 NATO Carbine Length Gas System ...$299.00 -
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
BLEM ALWAYS ARMED OCT2 SERIES 16" 5.56 NATO UPPER RECEIVER - BLACK
Sale: $179.00MSRP: $269.00BLEMISHED ALWAYS ARMED OCT2 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" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO .750...Sale: $179.00MSRP: $269.00 -
GHOST FIREARMS 7.5" FLASH CAN UPPER RECEIVER WITH FDE FLASH CAN AND LASER ENGRAVED DUST COVER
$359.00GHOST 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...$359.00 -
On Sale
Ghost Vital 10.5" 5.56 American Flag Dust Cover Upper Receiver - Black
Sale: $239.00MSRP: $299.00Ghost Firearms Vital 10.5" Upper With American Flag Dust Cover - Black Chambered in 5.56 NATO Mil Spec Upper Receiver with Dust Cover and Forward Assist A2 Birdcage Flash Hider 10.5" 1:7 4150 M4 Barrel - Black Nitride Carbine...Sale: $239.00MSRP: $299.00 -
ALWAYS ARMED 16" UPPER RECEIVER WITH 12" RAIL COMBO DEAL - 5.56 NATO/.300 BLACKOUT
$558.00Always Armed 16" 5.56 NATO Upper Receiver - Black 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 .750...$558.00 -
On Sale
US MILITARY 10.5" 5.56 NATO FLASH CAN UPPER RECEIVER WITH 12" JESTER RAIL - BLACK
Sale: $229.00MSRP: $299.00VETERAN'S DAY 10.5" 5.56 NATO FLASH CAN UPPER RECEIVER WITH 12" MLOK RAIL - BLACK Hard Coat Black Anodized Finish Mil-Spec AR15 Upper Receiver Mil-Spec Forward Assist Laser Engraved Dust Cover 12" Jester Free Float M-LOK Rail 10.5" 1:7...Sale: $229.00MSRP: $299.00 -
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 -
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 -
On Sale
ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - RIDGEWAY BLUE
Sale: $219.00MSRP: $319.00ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - RIDGEWAY BLUE Made in the USA Ridgeway Blue Cerakote Finish Mil-Spec AR15 7075 T6 Upper Receiver with Dust Cover and Forward Assist 15" Free Float M-LOK OCTO Series Rail 16" 1:7 Twist Barrel with...Sale: $219.00MSRP: $319.00