5.56mm Uppers

5.56mm Uppers

AR15 Upper receivers in 556 NATO available in 16", 10.5" and 7.5" lengths for your next build. Check out our AR-15 Uppers in Cerakote colors like FDE and Burnt Bronze. Please keep in mind these are the standard 5.56x45 Nato upper receivers and can use 5.56 or .223 ammo. If you are looking for something a little different than your standard rifle upper make sure you checkout the pistol upper receivers we offer and keep an eye out for new uppers and cerakote colors.

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  • 16" 5.56 NATO UPPER RECEIVER - ZOMBIE GREEN Always Armed AR15 Upper Receiver | M-LOK Free Float Rail
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    ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - ZOMBIE GREEN

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - ZOMBIE GREEN Made in the USA Zombie Green 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...
    Now: $219.00
    Was: $319.00
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    Was: $319.00
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  • Ghost Vital 7.5" Upper 5.56 Nato
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    Ghost Vital 7.5" Upper 5.56 Nato

    Now: $239.00
    Was: $299.00
    Ghost 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...
    Now: $239.00
    Was: $299.00
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    Was: $299.00
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  • Black Anodized Pistol Upper Receiver Chambered in 5.56 NATO - Grid Defense Milspec AR 15 Pistol Upper Receiver by Grid Defense
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    Grid Defense 10.5" 5.56 Flash Can Upper Receiver - Black Anodized

    Now: $329.00
    Was: $399.00
    Grid Defense 10.5" 5.56 Flash Can Upper Receiver Hard Coat Black Anodized Finish 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 Profile...
    Now: $329.00
    Was: $399.00
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    Was: $399.00
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  • ALWAYS ARMED 10.5" 5.56 NATO TR SERIES UPPER RECEIVER - BLACK Shop this upper for your next SBR or Pistol ar build
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    ALWAYS ARMED 10.5" 5.56 NATO TR SERIES UPPER RECEIVER - BLACK

    Now: $189.00
    Was: $249.00
    Always Armed 10.5" 5.56 NATO TR Series Upper Receiver - Black Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  10.5" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Carbine Length Gas...
    Now: $189.00
    Was: $249.00
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  • ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - ZOMBIE GREEN This 10.5" Upper is ready for your next statement build finished in zombie green cerakote
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    ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - ZOMBIE GREEN

    Now: $209.00
    Was: $299.00
    Always Armed 10.5" 5.56 NATO Upper Receiver - Zombie 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...
    Now: $209.00
    Was: $299.00
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    Was: $299.00
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  • 15" Free Float M-LOK Quad Rail ALWAYS ARMED 16" 5.56 NATO Quad Rail Upper Receiver - Grape
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    ALWAYS ARMED 16" 5.56 NATO Quad Rail Upper Receiver - Grape

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO Upper Receiver with 15" M-LOK Quad Rail - Grape Made in the USA 16" 4150 Barrel Chambered in 5.56 NATO 15" Free Floating MLOK Quad Rail Finished in Grape Cerakote Carbine Length Gas System A2 Muzzle Device 1:7 Twist Rate BCG...
    Now: $219.00
    Was: $319.00
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    Now: $219.00
    Was: $319.00
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  • Magpul OD Green AR15 5.56 Flash Can Upper Receiver with 7.5" barrel and 9" rail by Grid Defense Magpul OD Green AR15 5.56 Flash Can Upper Receiver with 7.5" barrel and 9" rail by Grid Defense
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    Grid Defense 7.5" 5.56 Flash Can Upper Receiver - OD Green

    Now: $329.00
    Was: $399.00
    Grid Defense OD Green 7.5" 5.56 Flash Can Upper  Finished in Magpul Olive Drab Green Cerakote 7075-T6 Mil Spec Upper Receiver Chambered in 5.56x45 NATO 1:7 Twist 7.5" 4150 M4 Barrel - Black Nitride 9" Grid Defense Octagon M Lok Rail Dimpled Flash...
    Now: $329.00
    Was: $399.00
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    Was: $399.00
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  • ALWAYS ARMED 10.5" 5.56 NATO BX SERIES UPPER RECEIVER
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    ALWAYS ARMED 10.5" 5.56 NATO BX SERIES UPPER RECEIVER - BLACK ANODIZED

    Now: $189.00
    Was: $249.00
    ALWAYS ARMED 10.5" 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  10.5" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Carbine Length...
    Now: $189.00
    Was: $249.00
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    Was: $249.00
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  • ALWAYS ARMED 16" 5.56 NATO BLACK UPPER RECEIVER WITH 15" OD GREEN RAIL 16" 5.56 NATO 1:7 twist Barrel
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    ALWAYS ARMED 16" 5.56 NATO BLACK UPPER RECEIVER WITH 15" MAGPUL OD GREEN RAIL

    Now: $199.00
    Was: $309.00
    ALWAYS ARMED 16" 5.56 NATO BLACK UPPER RECEIVER WITH 15" MAGPUL OD GREEN RAIL Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  Upper Receiver Finished in Hard Coat Black Anodize 16" 1:7 Twist 4150 Barrel with...
    Now: $199.00
    Was: $309.00
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  • ALWAYS ARMED 16" 5.56 NATO MID LENGTH UPPER RECEIVER - BLACK AR-15 Upper 16" with 1:7 Twist Barrel and M-LOK Hand Guard
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    ALWAYS ARMED 16" 5.56 NATO MID LENGTH UPPER RECEIVER - BLACK

    Now: $199.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO MID LENGTH UPPER RECEIVER - BLACK 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 Mid Length Gas System ...
    Now: $199.00
    Was: $319.00
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    Was: $319.00
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  • ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - OD GREEN 16" 1:7 Twist 5.56 Nato Barrel
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    ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - OD GREEN

    $299.00
    ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - OD GREEN Made in the USA Mil-Spec 7075 T6 5.56 Nato Upper Receiver with Dust Cover and Forward Assist  16" 1:7  Twist 416R Stainless Steel Barrel Chambered in 5.56 NATO...
    $299.00
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    $299.00
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  • ALWAYS ARMED | CARBINE LENGTH GAS SYSTEM | 15" M-LOK HAND GUARD TITANIUM CERAKOTE | 5.56 NATO | AR-15
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    Always Armed 16" Stainless Steel 5.56 Nato Upper Receiver - Titanium

    Now: $209.00
    Was: $349.00
    Always Armed 16" Stainless Steel 5.56 Nato Upper Receiver - Titanium Titanium Cerakote Finish Chambered in 5.56 NATO Stainless Steel A2 Flash Hider 16" 1:7 Twist 416R Stainless Steel Barrel - M4 Profile Carbine Length Gas System .750 Low Profile Gas...
    Now: $209.00
    Was: $349.00
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    Now: $209.00
    Was: $349.00
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  • ALWAYS ARMED 7.5" BLACK 5.56 UPPER WITH 7" OD GREEN HANDRAIL 7.5" 5.56 NATO 1:7 twist Barrel
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    ALWAYS ARMED 7.5" BLACK 5.56 UPPER WITH 7" MAGPUL OD GREEN HANDRAIL

    Now: $199.00
    Was: $269.00
    ALWAYS ARMED 7.5" BLACK 5.56 UPPER WITH 7" MAGPUL OD GREEN HANDRAIL Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist with Hard Coat Black Anodized Finish 10.5" 1:7 Twist 4150 Barrel with Black Nitride Finish 7" Free...
    Now: $199.00
    Was: $269.00
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    Was: $269.00
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  • ALWAYS ARMED 7.5" STAINLESS STEEL 5.56 BR SERIES DIMPLED FLASH CAN UPPER RECEIVER - BLACK ANODIZED 416R stainless steel 1:7 twist rate barrel
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    ALWAYS ARMED 7.5" STAINLESS STEEL 5.56 NATO BR SERIES DIMPLED FLASH CAN UPPER RECEIVER - BLACK ANODIZED

    Now: $209.00
    Was: $299.00
    ALWAYS ARMED 7.5" STAINLESS STEEL 5.56 NATO BR SERIES DIMPLED FLASH CAN UPPER RECEIVER - BLACK ANODIZED Made in the USA Chambered in 556mm Mil Spec 556mm Upper Receiver 7.5" 416R Stainless Steel Barrel 1:7 Twist Rate 9" BR Series Free Float M-LOK...
    Now: $209.00
    Was: $299.00
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    Now: $209.00
    Was: $299.00
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  • ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - BLACK Mil Spec AR15 Rifle Upper Receiver with M-LOK Free Float Rail
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    ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER WITH 12" RAIL - BLACK

    Now: $199.00
    Was: $269.00
    ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER WITH 12" RAIL- 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...
    Now: $199.00
    Was: $269.00
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    Now: $199.00
    Was: $269.00
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  • ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO UPPER RECEIVER - SMITH & WESSON RED SMITH & WESSON RED CERAKOTE | 7.5" 5.56 NATO BARREL
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    ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO UPPER RECEIVER - SMITH & WESSON RED

    Now: $209.00
    Was: $299.00
    ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO UPPER RECEIVER - SMITH & WESSON RED Mil-Spec AR15 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7" Free Float M-LOK OCTO Series Rail 7.5" 1:7 Twist Barrel with Black Nitride Finish A2 Flash...
    Now: $209.00
    Was: $299.00
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    Now: $209.00
    Was: $299.00
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  • ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO UPPER RECEIVER - TITANIUM TITANIUM | 7.5" 5.56 NATO BARREL
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    ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO UPPER RECEIVER - TITANIUM

    Now: $209.00
    Was: $299.00
    ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO UPPER RECEIVER - TITANIUM Mil-Spec AR15 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7" Free Float M-LOK OCTO Series Rail 7.5" 1:7 Twist Barrel with Black Nitride Finish A2 Flash Hider Finished in...
    Now: $209.00
    Was: $299.00
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    Now: $209.00
    Was: $299.00
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  • Ghost Vital 10.5" Upper 5.56 Nato
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    Ghost Vital 10.5" Upper 5.56 Nato - Black

    Now: $239.00
    Was: $299.00
    Ghost Vital 10.5" Upper 5.56 Nato 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 Length Gas System Ghost Firearms 9' M-Lok Hand Guard Hard Coat...
    Now: $239.00
    Was: $299.00
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    Now: $239.00
    Was: $299.00
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  • ALWAYS ARMED 10.5" 5.56 NATO UPPER WITH FDE FLASH CAN - BLACK Get this upper receiver for your next build including a flash can to keep the gas and blast off your face.
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    ALWAYS ARMED 10.5" 5.56 NATO UPPER WITH FDE FLASH CAN - BLACK

    Now: $239.00
    Was: $329.00
    ALWAYS 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 ...
    Now: $239.00
    Was: $329.00
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  • ALWAYS ARMED 16" 5.56 NATO BLACK UPPER RECEIVER WITH 12" FDE RAIL
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    ALWAYS ARMED 16" 5.56 NATO BLACK UPPER RECEIVER WITH 12" FDE RAIL

    Now: $209.00
    Was: $309.00
    ALWAYS ARMED 16" 5.56 NATO BLACK UPPER RECEIVER WITH 12" FDE RAIL Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  Upper Receiver Finished in Hard Coat Black Anodize 16" 1:7 Twist 4150 Barrel with Black Nitride...
    Now: $209.00
    Was: $309.00
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    Now: $209.00
    Was: $309.00
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