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
Grid Defense Stainless Steel 10.5" 5.56 Upper Receiver - Blue Titanium
Sale: $299.00MSRP: $399.00Grid Defense Stainless Steel 10.5" 5.56 Upper Receiver Blue Titanium Cerakote Finish Chambered in 5.56 NATO Grid Defense Mil Spec 7075 T6 Upper Receiver Grid Defense 9" M-Lok Free Float Hand Guard Carbine Length Gas System 10.5" 1:7 Twist 416R...Sale: $299.00MSRP: $399.00 -
On Sale
Grid Defense Stainless Steel 10.5" 5.56 Upper Receiver - Burnt Bronze
Sale: $299.00MSRP: $399.00Grid Defense Stainless Steel 10.5" 556 Upper Receiver Burnt Bronze Cerakote 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 9" M-Lok Free Float...Sale: $299.00MSRP: $399.00 -
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 -
Out of stockOn Sale
Grid Defense 10.5" 5.56 Upper Receiver - Tequila Sunrise
Sale: $299.00MSRP: $379.00Grid Defense 10.5" 5.56 Upper Receiver Finished in Tequila Sunrise Cerakote Chambered in 5.56x45 NATO 7075-T6 Milspec Upper Receiver 10.5" 1:7 Twist 4150 Steel M4 Barrel - Black Nitride .750 Low Profile Gas Block Carbine Length Gas System A2 Flash Hider...Sale: $299.00MSRP: $379.00 -
On Sale
Grid Defense Stainless Steel 10.5" 5.56 Upper Receiver - FDE
Sale: $299.00MSRP: $399.00Grid Defense Stainless Steel 10.5" 5.56 Upper Receiver Magpul Flat Dark Earth Cerakote Finish Chambered in 5.56 NATO Grid Defense Mil Spec 7075 T6 Upper Receiver Grid Defense 9" M-Lok Free Float Hand Guard Carbine Length Gas System 10.5" 1:7...Sale: $299.00MSRP: $399.00 -
On Sale
ALWAYS ARMED 10.5" 5.56 KEYMOD UPPER RECEIVER - FDE
Sale: $209.00MSRP: $299.00ALWAYS ARMED 10.5" 5.56 KEYMOD UPPER RECEIVER - FDE Made in the USA Finished in Flat Dark Earth Cerakote 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...Sale: $209.00MSRP: $299.00 -
On Sale
ALWAYS ARMED 10.5" 5.56 NATO BX SERIES PISTOL KIT - BLACK ANODIZED
Sale: $349.00MSRP: $479.00ALWAYS ARMED 10.5" 5.56 NATO BX SERIES PISTOL KIT 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: $349.00MSRP: $479.00 -
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 -
On Sale
Ghost Elite 10.5" Upper 5.56 Nato With Engraved Dust Cover/Flash Can - Tungsten Gray
Sale: $299.00MSRP: $389.00Ghost Elite 10.5" Upper 5.56 Nato With Engraved Dust Cover/Flash Can - Tungsten Gray Chambered in 5.56x45 NATO (5.56/.223) Smooth Flash Hider 10.5" 1:7 Twist 4150 M4 Barrel Black Nitride Carbine Length Gas System Ghost...Sale: $299.00MSRP: $389.00 -
On Sale
GHOST FIREARMS 10.5" 5.56 BURNT BRONZE UPPER RECEIVER WITH 9" FDE M-LOK RAIL
Sale: $269.00MSRP: $329.00GHOST FIREARMS 10.5" 5.56 NATO UPPER RECEIVER Chambered in 5.56 NATO 7075 T6 Forged Aluminum Mil-Spec AR15 Upper Receiver - Burnt Bronze A2 Birdcage Flash Hider 10.5" 1:7 4150 M4 Barrel - Black Nitride Carbine Length Gas System Ghost Firearms FDE 9"...Sale: $269.00MSRP: $329.00 -
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 -
Grid Defense 10.5" 5.56 Upper Receiver with Stainless Steel Barrel - Tactical Grape
$409.00Grid Defense 10.5" 5.56 Upper Receiver Finished in Purple Cerakote Chambered in 5.56x45 NATO 7075-T6 Milspec Upper Receiver 10.5" 1:7 Twist 416R Stainless Steel M4 Barrel 9" MLOK Hand Guard .750 Low Profile Gas Block Carbine Length Gas System A2 Flash...$409.00 -
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 -
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 -
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 -
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 -
Ghost Vital 10.5" 5.56 Upper Receiver with 1:8 Twist Stainless Steel Barrel
$309.00Ghost Vital 10.5" 5.56 Upper Receiver with 1:8 Twist Stainless Steel Barrel Chambered in 5.56x45 NATO (5.56/.223) Stainless Steel A2 Birdcage Flash Hider 10.5" 1:7 Twist 416R Stainless Steel Barrel Carbine Length Gas System Ghost...$309.00 -
Out of stockOn Sale
Grid Defense 10.5" 5.56 Upper Receiver - Periwinkle
Sale: $299.00MSRP: $379.00Grid Defense 10.5" 5.56 Upper Receiver - Periwinkle Finished in Periwinkle Cerakote Chambered in 5.56x45 NATO 7075-T6 Milspec Upper Receiver 10.5" 1:7 Twist 4150 Steel M4 Barrel - Black Nitride .750 Low Profile Gas Block Carbine Length Gas System A2...Sale: $299.00MSRP: $379.00 -
Grid Defense 10.5" 5.56 Upper Receiver - Tactical Grape
$379.00Grid Defense 10.5" 5.56 Upper Receiver Finished in Purple Cerakote Chambered in 5.56x45 NATO 7075-T6 Milspec Upper Receiver 10.5" 1:7 Twist 4150 Steel M4 Barrel - Black Nitride .750 Low Profile Gas Block Carbine Length Gas System A2 Flash Hider Made in...$379.00