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" .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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    Was: $249.00
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  • ALWAYS ARMED 10.5" 5.56 NATO BR SERIES UPPER RECEIVER
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    ALWAYS ARMED 10.5" 5.56 NATO BR SERIES UPPER RECEIVER

    $179.00 - $199.00
    Always Armed 10.5" 5.56 NATO BR 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 Length Gas...
    $179.00 - $199.00
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  • ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - MAGPUL FDE ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - MAGPUL FDE
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    ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - MAGPUL FDE

    Now: $199.00
    Was: $299.00
    Always Armed 10.5" 5.56 NATO Upper Receiver - Magpul 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 Chambered in 5.56 NATO Carbine Length Gas System .750...
    Now: $199.00
    Was: $299.00
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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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    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 - BURNT BRONZE
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - BURNT BRONZE

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO 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 Gas System .750...
    Now: $219.00
    Was: $319.00
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    Was: $319.00
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  • ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - SNIPER GRAY ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - SNIPER GRAY
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - SNIPER GRAY

    Now: $219.00
    Was: $319.00
    Always Armed 16" 5.56 NATO Upper Receiver - Sniper Gray 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: $219.00
    Was: $319.00
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    Was: $319.00
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  • ALWAYS ARMED 7.5" 5.56 NATO BX SERIES UPPER RECEIVER - BLACK ANODIZED
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    ALWAYS ARMED 7.5" 5.56 NATO BX SERIES UPPER RECEIVER - BLACK ANODIZED

    Now: $189.00
    Was: $289.00
    ALWAYS ARMED 7.5" 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  7.5" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Pistol Length Gas...
    Now: $189.00
    Was: $289.00
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    Now: $189.00
    Was: $289.00
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  • ALWAYS ARMED 7.5" 5.56 NATO STAINLESS STEEL TR SERIES UPPER RECEIVER - BLACK ANODIZED ALWAYS ARMED 7.5" 5.56 NATO STAINLESS STEEL TR SERIES UPPER RECEIVER - BLACK ANODIZED
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    ALWAYS ARMED 7.5" 5.56 NATO STAINLESS STEEL TR SERIES UPPER RECEIVER - BLACK ANODIZED

    Now: $189.00
    Was: $289.00
    ALWAYS ARMED 7.5" 5.56 NATO STAINLESS STEEL TR SERIES UPPER RECEIVER - BLACK ANODIZED Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  7.5" 1:7 Twist 416R Stainless Steel Barrel Chambered in 5.56 NATO Pistol...
    Now: $189.00
    Was: $289.00
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  • ALWAYS ARMED 7.5" 5.56 NATO TR SERIES UPPER RECEIVER - BLACK ANODIZED ALWAYS ARMED 7.5" 5.56 NATO TR SERIES UPPER RECEIVER - BLACK ANODIZED
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    ALWAYS ARMED 7.5" 5.56 NATO TR SERIES UPPER RECEIVER - BLACK ANODIZED

    Now: $189.00
    Was: $289.00
    ALWAYS ARMED 7.5" 5.56 NATO TR SERIES UPPER RECEIVER - BLACK ANODIZED 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...
    Now: $189.00
    Was: $289.00
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    Was: $289.00
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  • ALWAYS ARMED 7.5" 5.56 NATO UPPER RECEIVER - MAGPUL FDE
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    ALWAYS ARMED 7.5" 5.56 NATO UPPER RECEIVER - MAGPUL FDE

    Now: $209.00
    Was: $299.00
    Always 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...
    Now: $209.00
    Was: $299.00
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    Now: $209.00
    Was: $299.00
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  • Always Armed Gen 1 16" 5.56 Upper Receiver Without Forward Assist
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    Always Armed Gen 1 16" 5.56 Upper Receiver Without Forward Assist

    Now: $189.00
    Was: $319.00
    Always Armed Gen 1 16" 5.56 Upper Receiver Without Forward Assist Made in the USA Mil-Spec 7075 T6 Upper Receiver No Forward Assist 16" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Carbine Length Gas System .750 Low Profile Gas...
    Now: $189.00
    Was: $319.00
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    Now: $189.00
    Was: $319.00
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  • ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - FDE ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - FDE
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    ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - FDE

    Now: $219.00
    Was: $319.00
    ALWAYS 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...
    Now: $219.00
    Was: $319.00
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    Now: $219.00
    Was: $319.00
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  • ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO WTIH ZOMBIE GREEN FLASH CAN UPPER RECEIVER - BLACK ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO WTIH ZOMBIE GREEN FLASH CAN UPPER RECEIVER - BLACK
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    ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO WTIH ZOMBIE GREEN FLASH CAN UPPER RECEIVER - BLACK

    Now: $209.00
    Was: $319.00
    ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER 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...
    Now: $209.00
    Was: $319.00
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    Was: $319.00
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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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    Was: $339.00
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  • BLEM ALWAYS ARMED OCT2 SERIES 16" 5.56 NATO UPPER RECEIVER - BLACK BLEM ALWAYS ARMED OCT2 SERIES 16" 5.56 NATO UPPER RECEIVER - BLACK
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    BLEM ALWAYS ARMED OCT2 SERIES 16" 5.56 NATO UPPER RECEIVER - BLACK

    Now: $189.00
    Was: $269.00
    BLEMISHED ALWAYS ARMED OCT2 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" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO .750...
    Now: $189.00
    Was: $269.00
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    Now: $189.00
    Was: $269.00
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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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  • Out of stock
    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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    $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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    $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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    $299.00
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