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 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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  • 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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  • 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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    $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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  • Out of stock
    ALWAYS ARMED 10.5" 5.56 KEYMOD UPPER RECEIVER - FDE
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    ALWAYS ARMED 10.5" 5.56 KEYMOD UPPER RECEIVER - FDE

    Now: $199.00
    Was: $299.00
    ALWAYS ARMED 10.5" 5.56 KEYMOD UPPER RECEIVER - FDE Made in the USA Finished in Flat Dark Earth Cerakote 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...
    Now: $199.00
    Was: $299.00
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    Now: $199.00
    Was: $299.00
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  • ALWAYS ARMED 10.5" 5.56 NATO BX SERIES UPPER RECEIVER - BLACK ANODIZED
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    ALWAYS ARMED 10.5" 5.56 NATO BX SERIES UPPER RECEIVER - BLACK ANODIZED

    Now: $199.00
    Was: $279.00
    ALWAYS ARMED 10.5" 5.56 NATO 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 Length Gas System .750...
    Now: $199.00
    Was: $279.00
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  • ALWAYS ARMED 10.5" 5.56 NATO FLASH CAN UPPER RECEIVER - BURNT BRONZE
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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 Length Gas...
    Now: $219.00
    Was: $319.00
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  • Out of stock
    ALWAYS ARMED 10.5" 5.56 NATO FLASH CAN UPPER RECEIVER - MAGPUL FDE/OD GREEN LIMITED EDITION ALWAYS ARMED 10.5" 5.56 NATO FLASH CAN UPPER RECEIVER - MAGPUL FDE/OD GREEN LIMITED EDITION
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    ALWAYS ARMED 10.5" 5.56 NATO FLASH CAN UPPER RECEIVER - MAGPUL FDE/OD GREEN LIMITED EDITION

    Now: $249.00
    Was: $358.00
    Always Armed 10.5" 5.56 NATO Flash Can Upper Receiver - LIMITED EDITION Made in the USA Magpul FDE Mil-Spec 7075 T6 Upper Receiver   Forward Assist Timber Creek Outdoors Billet Dust Cover - OD Green 10.5" 1:7 Twist 4150 Barrel with Black...
    Now: $249.00
    Was: $358.00
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    Now: $249.00
    Was: $358.00
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  • ALWAYS ARMED 10.5" 5.56 NATO JESTER UPPER RECEIVER
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    ALWAYS ARMED 10.5" 5.56 NATO JESTER UPPER RECEIVER

    $179.00 - $199.00
    Always Armed 10.5" 5.56 NATO Jester 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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  • Out of stock
    ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER WITH 10" TR RAIL - MAGPUL FDE ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER WITH 10" TR RAIL - MAGPUL FDE
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    ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER WITH 10" TR RAIL - 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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    Now: $199.00
    Was: $299.00
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  • ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER WITH 12" MLOK RAIL & TEQUILA SUNRISE FLASH CAN - BLACK
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    ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER WITH 12" MLOK RAIL & TEQUILA SUNRISE FLASH CAN - BLACK

    Now: $239.00
    Was: $299.00
    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: $299.00
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    Now: $239.00
    Was: $299.00
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  • Out of stock
    ALWAYS ARMED 16" 5.56 MAKO UPPER RECEIVER - MIDNIGHT BRONZE
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    ALWAYS ARMED 16" 5.56 MAKO UPPER RECEIVER - MIDNIGHT BRONZE

    $319.00
    ALWAYS ARMED 16" 5.56 MAKO 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 .750 Low Profile Gas...
    $319.00
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    $319.00
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  • Out of stock
    ALWAYS ARMED 16" 5.56 MAKO UPPER RECEIVER - MULTICAM GRAY
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    ALWAYS ARMED 16" 5.56 MAKO UPPER RECEIVER - MULTICAM GRAY

    $319.00
    ALWAYS ARMED 16" 5.56 MAKO 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 .750 Low Profile Gas...
    $319.00
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    $319.00
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    Out of stock
  • Out of stock
    ALWAYS ARMED 16" 5.56 MAKO UPPER RECEIVER - PINK CHAMPAGNE
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    ALWAYS ARMED 16" 5.56 MAKO UPPER RECEIVER - PINK CHAMPAGNE

    $319.00
    ALWAYS ARMED 16" 5.56 MAKO 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 .750 Low Profile Gas...
    $319.00
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    $319.00
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    Out of stock
  • Out of stock
    ALWAYS ARMED 16" 5.56 MAKO UPPER RECEIVER - POLAR BLUE
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    ALWAYS ARMED 16" 5.56 MAKO UPPER RECEIVER - POLAR BLUE

    $319.00
    ALWAYS ARMED 16" 5.56 MAKO 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 .750 Low Profile Gas...
    $319.00
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    $319.00
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  • Out of stock
    ALWAYS ARMED 16" 5.56 MAKO UPPER RECEIVER - TEQUILA SUNRISE
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    ALWAYS ARMED 16" 5.56 MAKO UPPER RECEIVER - TEQUILA SUNRISE

    $319.00
    ALWAYS ARMED 16" 5.56 MAKO 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 .750 Low Profile Gas...
    $319.00
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    $319.00
    Subtotal:
    Out of stock
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