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 7.5" 5.56 NATO OCTO SERIES UPPER RECEIVER - BURNT BRONZE Mil Spec AR15 Pistol Upper Receiver 7.5" - Cerakoted Burnt Bronze
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    ALWAYS ARMED 7.5" 5.56 NATO OCTO SERIES UPPER RECEIVER - BURNT BRONZE

    Now: $209.00
    Was: $309.00
    Always Armed 7.5" 5.56 NATO Octo 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...
    Now: $209.00
    Was: $309.00
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  • ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO UPPER RECEIVER - SIG PINK SIG PINK | 7.5" 5.56 NATO BARREL
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    ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO UPPER RECEIVER - SIG PINK

    Now: $209.00
    Was: $309.00
    ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO UPPER RECEIVER - SIG PINK 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 Sig...
    Now: $209.00
    Was: $309.00
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    Was: $309.00
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  • ALWAYS ARMED 10.5" 5.56 NATO TR SERIES UPPER RECEIVER - BURNT BRONZE Shop this 5.56 NATO Upper for the next build of your AR-15
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    ALWAYS ARMED 10.5" 5.56 NATO TR SERIES UPPER RECEIVER - BURNT BRONZE

    Now: $199.00
    Was: $299.00
    Always Armed 10.5" 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  10.5" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Carbine...
    Now: $199.00
    Was: $299.00
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  • ALWAYS ARMED 16" 5.56 NATO OCTO SERIES UPPER RECEIVER - BAZOOKA GREEN 16" 5.56 1:7 Twist black nitride barrel
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    ALWAYS ARMED 16" 5.56 NATO OCTO SERIES UPPER RECEIVER - BAZOOKA GREEN

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO OCTO SERIES UPPER RECEIVER - BAZOOKA 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...
    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 Quad Rail Upper Receiver - Ridgeway Blue Shop now for your next quad rail upper receiver for your next tactical mission
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    ALWAYS ARMED 16" 5.56 NATO Quad Rail Upper Receiver - Ridgeway Blue

    Now: $239.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO Upper Receiver with 15" M-LOK Quad Rail - Ridgeway Blue Made in the USA 16" 4150 Barrel Chambered in 5.56 NATO 15" Free Floating MLOK Quad Rail Finished in Ridgeway Blue Cerakote Carbine Length Gas System .750 Gas Block A2...
    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 SKELETON SERIES UPPER RECEIVER ALWAYS ARMED 16" 5.56 NATO SKELETON SERIES UPPER RECEIVER
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    ALWAYS ARMED 16" 5.56 NATO SKELETON SERIES UPPER RECEIVER

    $199.00 - $219.00
    Always Armed 16" 5.56 NATO Skeleton Series Upper Receiver 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...
    $199.00 - $219.00
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  • ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - SIG PINK
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - SIG PINK

    Now: $219.00
    Was: $319.00
    Always Armed 16" 5.56 NATO Upper Receiver - Sig Pink 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 Pink AR 15 Upper Receiver 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" 5.56 NATO ZRO SERIES UPPER RECEIVER ALWAYS ARMED 16" 5.56 NATO ZRO SERIES UPPER RECEIVER
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    ALWAYS ARMED 16" 5.56 NATO ZRO SERIES UPPER RECEIVER

    $199.00 - $219.00
    Always Armed 16" 5.56 NATO ZRO Series Upper Receiver 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 ...
    $199.00 - $219.00
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  • GHOST FIREARMS 7.5" 5.56 FLASH CAN UPPER RECEIVER WITH BLUE TITANIUM 9" RAIL 7.5" 1:7 TWIST BARREL
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    GHOST 7.5" 5.56 BLUE TITANIUM UPPER RECEIVER WITH TEQUILA SUNRISE FLASH CAN

    Now: $299.00
    Was: $349.00
    GHOST 7.5" 5.56 FLASH CAN UPPER RECEIVER Proudly Made in the USA 7075 T6 Forged Aluminum Mil-Spec AR15 Upper Receiver - Blue Titanium 7.5" 1:7 Twist 4150 Steel Barrel Pistol Length Gas System .750 Low Profile Gas Block Tequila Sunrise Cerakote Flash Can...
    Now: $299.00
    Was: $349.00
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    Now: $299.00
    Was: $349.00
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  • ALWAYS ARMED 10.5" .556 BX SERIES UPPER RECEIVER 10.5" 5.56 NATO BARREL
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    ALWAYS ARMED 10.5" 5.56 BX SERIES AMERICAN FLAG DUST COVER UPPER RECEIVER - BLACK ANODIZED

    Now: $199.00
    Was: $249.00
    ALWAYS ARMED 10.5" 5.56 AMERICAN FLAG DUST COVER BX SERIES 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...
    Now: $199.00
    Was: $249.00
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  • ALWAYS ARMED 16" 5.56 NATO BX SERIES UPPER RECEIVER - BLACK
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    ALWAYS ARMED 16" 5.56 NATO BX SERIES UPPER RECEIVER - BLACK

    Now: $199.00
    Was: $299.00
    ALWAYS ARMED 16" 5.56 NATO BX SERIES 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...
    Now: $199.00
    Was: $299.00
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  • ALWAYS ARMED 16" 5.56 NATO Jester Rail Upper Receiver ALWAYS ARMED 16" 5.56 NATO Jester Rail Upper Receiver
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    ALWAYS ARMED 16" 5.56 NATO Jester Rail Upper Receiver

    $199.00 - $219.00
    ALWAYS ARMED 16" 5.56 NATO Jester Rail Upper Receiver Made in the USA 16" 4150 Barrel Chambered in 5.56 NATO 15" Jester Rail Free Floating MLOK Quad Rail Carbine Length Gas System .750 Ga Block 1/2x28 TPI Thread Pitch A2 Muzzle Device 1:7...
    $199.00 - $219.00
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  • ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - BLACK
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - BLACK

    Now: $199.00
    Was: $299.00
    Always 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 Low...
    Now: $199.00
    Was: $299.00
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    Was: $299.00
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  • ALWAYS ARMED STAINLESS STEEL 16" 5.56 NATO UPPER RECEIVER - RIDGEWAY BLUE
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    ALWAYS ARMED STAINLESS STEEL 16" 5.56 NATO UPPER RECEIVER - RIDGEWAY BLUE

    Now: $219.00
    Was: $349.00
    ALWAYS ARMED STAINLESS STEEL 16" 5.56 NATO UPPER RECEIVER - RIDGEWAY BLUE 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...
    Now: $219.00
    Was: $349.00
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  • ALWAYS ARMED ULTRALIGHT SERIES 16" 5.56 NATO UPPER RECEIVER WITH 15" HAND GUARD - BLACK Get the best lightweight upper there is with the full picatinny compatibility and featherweight design
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    ALWAYS ARMED ULTRALIGHT SERIES 16" 5.56 NATO UPPER RECEIVER WITH 15" 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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  • 10.5" 5.56 Nato Upper Receiver with 10" MLOK Hand Guard 10.5" 5.56 Nato Upper Receiver with 10" MLOK Hand Guard
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    10.5" 5.56 Nato Upper Receiver with 10" MLOK Hand Guard

    $289.00
    10.5" 5.56 Nato Upper Receiver with 10" MLOK Hand Guard  Made in the USA 10.5" 4150 Barrel Chambered in 5.56 NATO 10" Free Floating MLOK Hand Guard Black Anodized Finish Carbine Length Gas System A2 Muzzle Device BCG and Charging Handle are NOT...
    $289.00
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    $289.00
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  • 16" 5.56 Nato Upper Receiver with 15" MLOK Hand Guard 16" 5.56 Nato Upper Receiver with 15" MLOK Hand Guard
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    16" 5.56 Nato Upper Receiver with 15" MLOK Hand Guard

    $289.00
    16" 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
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  • Out of stock
    7.5" 5.56 NATO COMPLETE UPPER RECEIVER WITH 7" KEYMOD RAIL, BCG, CHARGING HANDLE & SIGHTS - FDE 7.5" 5.56 NATO COMPLETE UPPER RECEIVER WITH 7" KEYMOD RAIL, BCG, CHARGING HANDLE & SIGHTS - FDE
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    7.5" 5.56 NATO COMPLETE UPPER RECEIVER WITH 7" KEYMOD RAIL, BCG, CHARGING HANDLE & SIGHTS - FDE

    $429.00
    7.5" 5.56 NATO COMPLETE UPPER RECEIVER WITH 7" KEYMOD RAIL, BCG, CHARGING HANDLE & SIGHTS Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  7.5" 1:7 Twist 4150 Black Nitride Barrel Chambered in 5.56 NATO A2...
    $429.00
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  • 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER WITH 10" MLOK HAND GUARD 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER WITH 10" MLOK HAND GUARD
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    7.5" 5.56 NATO FLASH CAN UPPER RECEIVER WITH 10" MLOK HAND GUARD

    $299.00
    7.5" 5.56 NATO Flash Can Upper Receiver With 10" MLOK Hand Guard Made in the USA Mil Spec 7075 T6 Upper Receiver 7.5" 4150 Steel Barrel with Black Nitride Finish Chambered in 5.56 NATO 10" Free Floating MLOK Hand Guard Pistol Length Gas System 7.5...
    $299.00
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  • Aero Precision 16" 5.56 NATO Upper Receiver - FDE Aero Precision 16" 5.56 NATO Upper Receiver - FDE
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    Aero Precision 16" 5.56 NATO Upper Receiver - FDE

    $534.99
    Aero Precision 16" 5.56 NATO Upper Receiver - FDE M4E1 Threaded Assembled Upper Receiver ATLAS S-ONE M-LOK Handguard of choice 16" 5.56 CMV Barrel Low Profile Gas Block and Mid-Length Gas Tube Product comes assembled This complete upper does not...
    $534.99
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