5.56mm Uppers

5.56mm Uppers

Discover high-performance 5.56 upper receivers for your AR-15 at Always Armed. Our Cerakote-finished 5.56 NATO AR-15 uppers offer accuracy, durability, and style. Shop the best AR-15 upper receivers for rifle and pistol builds today.

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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: $179.00
    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: $179.00
    Was: $249.00
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    Now: $179.00
    Was: $249.00
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  • ALWAYS ARMED 16" 5.56 NATO TRX SERIES UPPER RECEIVER - MAGPUL FDE Shop this upper for your next 5.56 build. Designed to be lightweight and easy to maneuver with.
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    ALWAYS ARMED 16" 5.56 NATO TRX SERIES UPPER RECEIVER - MAGPUL FDE

    $379.00
    Always Armed 16" 5.56 NATO TRX Series Upper Receiver - FDE 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...
    $379.00
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    $379.00
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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: $299.00
    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: $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 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: $229.00
    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: $229.00
    Was: $329.00
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    Now: $229.00
    Was: $329.00
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  • ALWAYS ARMED 16" 5.56 NATO Quad Rail Upper Receiver - Smith & Wesson Red Shop for your next training day with this quad rail upper from always armed
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    ALWAYS ARMED 16" 5.56 NATO Quad Rail Upper Receiver - Smith & Wesson Red

    Now: $239.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO Upper Receiver with 15" M-LOK Quad Rail - Smith & Wesson Red Made in the USA 16" 4150 Barrel Chambered in 5.56 NATO 15" Free Floating MLOK Quad Rail Finished in Smith & Wesson Red Cerakote Carbine Length Gas System ...
    Now: $239.00
    Was: $319.00
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    Now: $239.00
    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

    Now: $219.00
    Was: $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...
    Now: $219.00
    Was: $299.00
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  • ALWAYS ARMED 16" 5.56 NATO TRX SERIES UPPER RECEIVER - OD GREEN Shop this 16" upper receiver for your next rifle build. Chambered in 5.56 and ready for whatever you throw at it.
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    ALWAYS ARMED 16" 5.56 NATO TRX SERIES UPPER RECEIVER - OD GREEN

    Now: $219.00
    Was: $329.00
    Always Armed 16" 5.56 NATO TRX Series Upper Receiver - OD Green 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...
    Now: $219.00
    Was: $329.00
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  • ALWAYS ARMED 7.5" 5.56 NATO TR SERIES UPPER RECEIVER - BURNT BRONZE This mil-spec upper is finished in a burnt bronze cerakote that is tough enough for any challenge
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    ALWAYS ARMED 7.5" 5.56 NATO TR SERIES UPPER RECEIVER - BURNT BRONZE

    Now: $209.00
    Was: $309.00
    Always Armed 7.5" 5.56 NATO TR Series Upper Receiver - Burnt Bronze 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...
    Now: $209.00
    Was: $309.00
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    Now: $209.00
    Was: $309.00
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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: $309.00
    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: $309.00
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    Now: $209.00
    Was: $309.00
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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 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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  • ALWAYS ARMED 16" 5.56 NATO OCTO SERIES UPPER RECEIVER - TITANIUM 16" 5.56 1:7 Twist black nitride barrel
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    ALWAYS ARMED 16" 5.56 NATO OCTO SERIES UPPER RECEIVER - TITANIUM

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO OCTO SERIES UPPER RECEIVER - TITANIUM 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...
    Now: $219.00
    Was: $319.00
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    Now: $219.00
    Was: $319.00
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  • Out of stock
    ALWAYS ARMED 16" 5.56 NATO Quad Rail Upper Receiver - Sig Pink Shop and save on this versatile 5.56 upper receiver finished in Sig Pink perfect for the shooter just starting to explore
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    ALWAYS ARMED 16" 5.56 NATO Quad Rail Upper Receiver - Sig Pink

    Now: $239.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO Upper Receiver with 15" M-LOK Quad Rail - Sig Pink Made in the USA 16" 4150 Barrel Chambered in 5.56 NATO 15" Free Floating MLOK Quad Rail Finished in Sig Pink Cerakote Carbine Length Gas System .750 Gas Block A2 Muzzle Device...
    Now: $239.00
    Was: $319.00
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    Now: $239.00
    Was: $319.00
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  • ALWAYS ARMED 16" 5.56 NATO TRX SERIES UPPER RECEIVER - BURNT BRONZE This new lightweight upper receiver is ready for hunting season. Finished in Burnt Bronze to blend in while still having a little bit of flair.
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    ALWAYS ARMED 16" 5.56 NATO TRX SERIES UPPER RECEIVER - BURNT BRONZE

    Now: $219.00
    Was: $329.00
    Always Armed 16" 5.56 NATO TRX 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: $219.00
    Was: $329.00
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    Now: $219.00
    Was: $329.00
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  • AR15 Upper Receiver | 5.56 NATO Finished in Smith & Wesson Red Cerakote
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    ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - SMITH & WESSON RED

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - SMITH & WESSON RED Made in the USA 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 Finish...
    Now: $219.00
    Was: $319.00
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    Now: $219.00
    Was: $319.00
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  • ALWAYS ARMED 16" 5.56 NATO TRX SERIES UPPER RECEIVER - BLUE TITANIUM Save on this new upper receiver from Always Armed. Made with ur new TRX handguard that is designed to be as light as possible without sacrificing rigidity.
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    ALWAYS ARMED 16" 5.56 NATO TRX SERIES UPPER RECEIVER - BLUE TITANIUM

    Now: $219.00
    Was: $329.00
    Always Armed 16" 5.56 NATO TRX Series Upper Receiver - Blue Titanium 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: $219.00
    Was: $329.00
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    Now: $219.00
    Was: $329.00
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  • ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH STAINLESS STEEL HBAR
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH STAINLESS STEEL HBAR, 12" M-LOK RAIL, POP UP SIGHTS AND BIPOD FOREGRIP

    Now: $279.00
    Was: $339.00
    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH STAINLESS STEEL HBAR, 12" M-LOK RAIL, POP UP SIGHTS AND BIPOD FOREGRIP Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  16" 1:7 Twist 416R Stainless Steel HBAR...
    Now: $279.00
    Was: $339.00
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    Now: $279.00
    Was: $339.00
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  • ALWAYS ARMED 16" 5.56 NATO BX SERIES MID LENGTH UPPER RECEIVER - BLACK Mid Length Gas System
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    ALWAYS ARMED 16" 5.56 NATO BX SERIES MID LENGTH UPPER RECEIVER - BLACK

    Now: $199.00
    Was: $279.00
    ALWAYS ARMED 16" 5.56 NATO BX SERIES 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 Barrel with Black Nitride Finish Chambered in 5.56 NATO Mid Length...
    Now: $199.00
    Was: $279.00
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    Now: $199.00
    Was: $279.00
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  • Out of stock
    Shop this Complete AR-15 5.56 Upper Receiver for your next range and training gun
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    ALWAYS ARMED 16" 5.56 NATO COMPLETE PENCIL BARREL LIGHTWEIGHT UPPER RECEIVER - BLACK

    $437.00
    Always Armed 16" 5.56 NATO Complete Lightweight Upper Receiver - Black Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  16" Pencil Profile Barrel 1:7  Twist 4150 Barrel with Black Nitride Finish Chambered in...
    $437.00
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    $437.00
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    Out of stock
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