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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On Sale
Grid Defense 10.5" 5.56 Upper Receiver - FDE
Sale: $299.00MSRP: $379.00Grid Defense 10.5" 5.56 Upper Receiver Finished in Magpul Flat Dark Earth 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...Sale: $299.00MSRP: $379.00 -
On Sale
Grid Defense 7.5" 5.56 Flash Can Upper Receiver - Tungsten Gray
Sale: $329.00MSRP: $399.00Grid Defense 7.5" 5.56 Flash Can Upper - Tungsten Gray Finished in Tungsten Gray Cerakote 7075-T6 MilSpec Upper Receiver 7.5" 1:7 Twist 4150 Barrel - Black Nitride Chambered in 5.56x45 NATO Dimpled Flash Can 9" M-lok Octagon Rail Pistol Length Gas...Sale: $329.00MSRP: $399.00 -
Out of stock
16" 5.56 Nato Upper Receiver with 15" MLOK Hand Guard
$289.0016" 5.56 Nato Upper Receiver with 15" MLOK Hand Guard Made in the USA 16" 4150 Barrel Chambered in 5.56 NATO 15" Free Floating MLOK Hand Guard Black Anodized Finish Carbine Length Gas System A2 Muzzle Device 1:7 Twist Rate BCG and Charging Handle...$289.00 -
On Sale
Grid Defense 16" 5.56 Upper Receiver - Tungsten Gray
Sale: $329.00MSRP: $399.00Grid Defense 16" 5.56 Upper Receiver - Tungsten Gray Tungsten Gray Cerakote Finish Chambered in 5.56x45 NATO 14" M-Lok Rail 16" 1:7 4150 M4 Barrel - Black Nitride Carbine Length Gas System A2 Flash Hider Mil-Spec 7075-T6 Upper ReceiverSale: $329.00MSRP: $399.00 -
Out of stockOn Sale
GHOST ELITE 16" UPPER 5.56 NATO - TACTICAL GRAPE
Sale: $269.00MSRP: $349.00Ghost Firearms Elite 16" 5.56 Upper - Tactical Grape Tactical Grape Cerakote Finished Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider 16" 1:7 Twist 4150 M4 Barrel Black Nitride Carbine Length Gas System Ghost Firearms 14"...Sale: $269.00MSRP: $349.00 -
On Sale
Grid Defense 10.5" 5.56 Flash Can Upper Receiver - Blue Titanium
Sale: $329.00MSRP: $399.00Grid Defense 10.5" 5.56 Flash Can Upper Receiver Finished in Blue Titanium Cerakote Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:7 Twist 4150 M4 Profile Barrel - Black Nitride Chambered in 5.56x45 NATO Carbine Length Gas System .750 Low...Sale: $329.00MSRP: $399.00 -
On Sale
GHOST ELITE 16" UPPER 5.56 NATO - ZOMBIE GREEN
Sale: $269.00MSRP: $349.00GHOST ELITE 16" UPPER 5.56 NATO - ZOMBIE GREEN Zombie Green Cerakote Finished Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider 16" 1:7 Twist 4150 M4 Barrel Black Nitride Carbine Length Gas System Ghost Firearms 14"...Sale: $269.00MSRP: $349.00 -
Out of stock
ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER WITH 12" RAIL, SIGHTS, AND BI-POD - BLACK
$369.00ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER WITH 12" RAIL, SIGHTS, AND BI-POD - 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 -
On Sale
ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - BAZOOKA GREEN
Sale: $209.00MSRP: $299.00Always Armed 10.5" 5.56 NATO Upper Receiver - Bazooka Green 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 ...Sale: $209.00MSRP: $299.00 -
On 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
Grid Defense 7.5" 5.56 Flash Can Upper Receiver - Burnt Bronze
Sale: $329.00MSRP: $399.00Grid Defense 7.5" 5.56 Flash Can Upper Receiver - Burnt Bronze Finished in Burnt Bronze Cerakote 5.56 Flash Can Upper Receiver Mil Spec 7075-T6 Upper Receiver 7.5" 1:7 Twist 4150 M4 Barrel - Black Nitride 9" Grid Defense Octagon M-Lok Rail Pistol Length...Sale: $329.00MSRP: $399.00 -
On Sale
Grid Defense 16" 5.56 Quad Rail Upper Receiver - Black
Sale: $329.00MSRP: $399.00Grid Defense 16" 5.56 Quad Rail Upper Receiver - Black Black Anodized Finish Chambered in 5.56x45 NATO 14" M-Lok Quad Rail 16" 1:7 4150 M4 Barrel - Black Nitride Carbine Length Gas System A2 Flash Hider Mil-Spec 7075-T6 Upper ReceiverSale: $329.00MSRP: $399.00 -
On Sale
Grid Defense 16" 5.56 Quad Rail Upper Receiver - Magpul OD Green
Sale: $349.00MSRP: $399.00Grid Defense 16" 5.56 Quad Rail Upper Receiver - Magpul OD Green Magpul OD Green Cerakote Finish Chambered in 5.56x45 NATO 14" M-Lok Quad Rail 16" 1:7 4150 M4 Barrel - Black Nitride Carbine Length Gas System A2 Flash Hider Mil-Spec 7075-T6 16" Upper...Sale: $349.00MSRP: $399.00 -
On Sale
ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - SIG PINK
Sale: $209.00MSRP: $299.00Always Armed 10.5" 5.56 NATO Upper Receiver - Sig Pink 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...Sale: $209.00MSRP: $299.00 -
Out of stock
ALWAYS ARMED 16" UPPER RECEIVER 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
ALWAYS ARMED 7.5" 5.56 NATO UPPER RECEIVER - MAGPUL FDE
Sale: $209.00MSRP: $299.00Always Armed 7.5" 5.56 NATO Upper Receiver - Magpul FDE 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: $209.00MSRP: $299.00 -
On Sale
Grid Defense 16" 5.56 Upper Receiver - Burnt Bronze
Sale: $329.00MSRP: $399.00Grid Defense 16" 5.56 AR-15 Upper Receiver - Burnt Bronze Burnt Bronze Cerakote Finish Burnt Bronze Complete Upper Chambered in 5.56x45 NATO 14" M-Lok Rail 16" 1:7 4150 M4 Barrel - Black Nitride Carbine Length Gas System A2 Flash Hider Mil-Spec...Sale: $329.00MSRP: $399.00 -
On Sale
GRID DEFENSE 10.5" 5.56 UPPER RECEIVER - BLACK
Sale: $299.00MSRP: $379.00Grid Defense 10.5" 5.56 Upper Receiver Hard Coat Black Anodized 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 the...Sale: $299.00MSRP: $379.00 -
Out of stockOn Sale
ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - FDE
Sale: $219.00MSRP: $319.00ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - FDE Made in the USA Magpul FDE 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 Black Nitride...Sale: $219.00MSRP: $319.00