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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  • ALWAYS ARMED 10.5" 5.56 NATO FLASH CAN UPPER RECEIVER - BURNT BRONZE Burnt Bronze | AR15 Pistol Upper Receiver | 5.56 NATO
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    ALWAYS ARMED 10.5" 5.56 NATO FLASH CAN UPPER RECEIVER - BURNT BRONZE

    Now: $219.00
    Was: $319.00
    Always Armed 10.5" 5.56 NATO Flash Can Upper Receiver - Burnt Bronze 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...
    Now: $219.00
    Was: $319.00
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    Was: $319.00
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  • Always Armed 16" 556 NATO Stainless Steel Upper Receiver - Black AR-15 Always Armed Upper 16" with 1:7 Twist Barrel
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    ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER 12" RAIL - BLACK

    $289.00
    ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER 12" RAIL - 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 NATO Carbine Length Gas...
    $289.00
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  • Rose Gold AR15 Rifle Length Upper Receiver
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - PINK CHAMPAGNE

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - PINK CHAMPAGNE Made in the USA Mil-Spec 7075 T6 16" 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 Length Gas...
    Now: $219.00
    Was: $319.00
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    Now: $219.00
    Was: $319.00
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  • ALWAYS ARMED OCTO SERIES 16" 5.56 NATO 16" 5.56 NATO UPPER RECEIVER - BURNT BRONZE
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    ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - BURNT BRONZE

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - BURNT BRONZE Made in the USA Burnt Bronze 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...
    Now: $219.00
    Was: $319.00
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    Now: $219.00
    Was: $319.00
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  • Magpul Flat Dark Earth Pistol Upper Receiver | 5.56 NATO Always Armed 7.5" Flash Can Upper Receiver | M-LOK
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    ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER - FDE

    Now: $229.00
    Was: $319.00
    ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER - FDE Made in the USA Mil-Spec 7075 T6 5.56 Nato Flash Can Upper Receiver with Dust Cover and Forward Assist 7.5" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO...
    Now: $229.00
    Was: $319.00
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    Now: $229.00
    Was: $319.00
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  • ALWAYS ARMED LTW SERIES 16" 5.56 NATO UPPER RECEIVER - BLACK 16 5.556 nato 1:7 twist barrel
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    ALWAYS ARMED ULTRALIGHT SERIES 16" 5.56 NATO UPPER RECEIVER WITH 13.5" HAND GUARD - BLACK

    Now: $199.00
    Was: $339.00
    ALWAYS 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...
    Now: $199.00
    Was: $339.00
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    Now: $199.00
    Was: $339.00
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  • Best Right Handed Flat Dark Earth Upper Receiver Budget Friendly AR 15 Pistol Upper Receiver - Magpul FDE
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    ALWAYS ARMED 10.5" 5.56 NATO TR SERIES UPPER RECEIVER - FDE

    Now: $209.00
    Was: $299.00
    Always Armed 10.5" 5.56 NATO TR Series Upper Receiver - 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 10" Free Float M-LOK TR Series Hand Guard...
    Now: $209.00
    Was: $299.00
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  • ALWAYS ARMED UPPER RECEIVER
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    ALWAYS ARMED 16" 5.56 NATO 1:7 MID LENGTH UPPER RECEIVER WITH 12" TR MLOK RAIL

    Now: $199.00
    Was: $269.00
    ALWAYS ARMED 16" 5.56 NATO 1:7 MID LENGTH 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 Mid...
    Now: $199.00
    Was: $269.00
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    Now: $199.00
    Was: $269.00
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  • ALWAYS ARMED 16" 5.56 NATO BX SERIES UPPER RECEIVER ALWAYS ARMED 15" FREE FLOAT M-LOK BOX RAIL HAND GUARD
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    ALWAYS ARMED 16" 5.56 NATO BX SERIES UPPER RECEIVER - BURNT BRONZE

    Now: $229.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO BX SERIES UPPER RECEIVER - BURNT BRONZE 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: $229.00
    Was: $319.00
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    Now: $229.00
    Was: $319.00
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  • ALWAYS ARMED OCTO SERIES 10.5" 5.56 UPPER RECEIVER - FDE best 10.5" 5.56 Upper receiver for any ar15 build
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    ALWAYS ARMED OCTO SERIES 10.5" 5.56 UPPER RECEIVER - FDE

    Now: $209.00
    Was: $299.00
    ALWAYS ARMED OCTO SERIES 10.5" 5.56 UPPER RECEIVER - FDE Made in the USA Magpul FDE Cerakote Finish Mil-Spec AR15 7075 T6 Upper Receiver with Dust Cover and Forward Assist 9.25" Free Float M-LOK OCTO Series Rail 10.5" 1:7 Twist Barrel with Black Nitride...
    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 - RIDGEWAY BLUE RIDGEWAY BLUE | 7.5" 5.56 NATO BARREL
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    ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO UPPER RECEIVER - RIDGEWAY BLUE

    Now: $209.00
    Was: $299.00
    ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO UPPER RECEIVER - RIDGEWAY BLUE 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...
    Now: $209.00
    Was: $299.00
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    Now: $209.00
    Was: $299.00
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  • Magpul Olive Drab Green AR-15 Pistol Flash Can Upper Receiver Grid Defense 10.5" 5.56 NATO Upper Receiver in OD Green Cerakote
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    Grid Defense 10.5" 5.56 Flash Can Upper Receiver - OD Green

    Now: $329.00
    Was: $399.00
    Grid Defense 10.5" 5.56 Flash Can Upper Receiver Finished in OD Green 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 Profile...
    Now: $329.00
    Was: $399.00
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    Now: $329.00
    Was: $399.00
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  • ALWAYS ARMED 16" 5.56 NATO Stainless Steel Upper Receiver with 15" M-LOK Quad Rail Hard Coat Black Anodized Mil-Spec AR-15 Upper
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    ALWAYS ARMED 16" 5.56 NATO Stainless Steel Quad Rail Upper Receiver - Black

    Now: $249.00
    Was: $329.00
    ALWAYS ARMED 16" 5.56 NATO Stainless Steel Upper Receiver with 15" M-LOK Quad Rail Made in the USA 16" 416R Stainless Steel Barrel Chambered in 5.56 NATO 15" Free Floating MLOK Quad Rail Black Anodized Finish Carbine Length Gas System Stainless Steel A2...
    Now: $249.00
    Was: $329.00
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    Now: $249.00
    Was: $329.00
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  • ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH 12" RAIL - BLACK 12" free float m-lok handgurad
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH 12" RAIL - BLACK

    Now: $199.00
    Was: $269.00
    ALWAYS ARMED 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 Gas System...
    Now: $199.00
    Was: $269.00
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    Now: $199.00
    Was: $269.00
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  • Always Armed Jester 16" 5.56 Nato Upper Receiver 16" 1:7 Twist 5.56 Nato Barrel
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    ALWAYS ARMED Jester 16" 5.56 NATO UPPER RECEIVER - BLACK

    Now: $199.00
    Was: $269.00
    ALWAYS 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 Length...
    Now: $199.00
    Was: $269.00
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    Now: $199.00
    Was: $269.00
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  • 16" 1:7 Twist 5.56 Barrel Finished in Sig Pink Cerakote
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    ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - SIG PINK

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - SIG PINK Made in the USA Mil-Spec AR15 7075 T6 Upper Receiver with Dust Cover and Forward Assist  Carbine Length Gas System 750 Low Profile Gas Block 15" Free Float M-LOK OCTO Series Rail 16"...
    Now: $219.00
    Was: $319.00
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    Now: $219.00
    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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    Now: $239.00
    Was: $299.00
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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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    Now: $189.00
    Was: $249.00
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