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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  • Pink 5.56 NATO Upper Receiver with MLOK Handguard Carbine Length Gas System | Free Float Rail
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    ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - SIG PINK

    Now: $219.00
    Was: $299.00
    Always Armed 10.5" 5.56 NATO Upper Receiver - Sig Pink 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: $219.00
    Was: $299.00
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    Now: $219.00
    Was: $299.00
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  • AR15 Pistol Upper Receiver with 1:7 Twist 4150 Chromoly Barrel Mil Spec AR15 Pistol Upper Receiver 7.5" - Cerakoted Burnt Bronze
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    ALWAYS ARMED 7.5" 5.56 NATO UPPER RECEIVER - BURNT BRONZE

    Now: $209.00
    Was: $299.00
    Always Armed 7.5" 5.56 NATO 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 Gas System .750...
    Now: $209.00
    Was: $299.00
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    Was: $299.00
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  • ALWAYS ARMED OCTO SERIES 10.5" 5.56 FLASH CAN UPPER RECEIVER - BLACK 5.56 NATO | M-LOK
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    ALWAYS ARMED OCTO SERIES 10.5" 5.56 FLASH CAN UPPER RECEIVER - BLACK

    Now: $219.00
    Was: $249.00
    ALWAYS ARMED OCTO SERIES 10.5" 5.56 FLASH CAN UPPER RECEIVER - BLACK Made in the USA Hard Coat Black Anodized Finish Mil-Spec AR15 7075 T6 Upper Receiver with Dust Cover and Forward Assist 12" Free Float M-LOK OCTO Series Rail 10.5" 1:7 Twist...
    Now: $219.00
    Was: $249.00
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    Now: $219.00
    Was: $249.00
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  • Zombie AR15 Upper Receiver | 16" Barrel AR-15 Rifle Upper Receiver | Mil-Spec | Carbine Length Gas System
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - ZOMBIE GREEN

    Now: $219.00
    Was: $319.00
    Always Armed 16" 5.56 NATO Upper Receiver - Zombie Green 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 Gas System ...
    Now: $219.00
    Was: $319.00
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    Now: $219.00
    Was: $319.00
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  • Custom Titanium Cerakoted Pistol Upper Receiver for Home Defense Semi Automatic 7.5" Upper Receiver with M-LOK Aluminum Rail
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    ALWAYS ARMED 7.5" 5.56 NATO UPPER RECEIVER - TITANIUM

    Now: $209.00
    Was: $299.00
    Always Armed 7.5" 5.56 NATO Upper Receiver - Titanium 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 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 16" 5.56 NATO Quad Rail Upper Receiver - FDE This upper finished in FDE Is the perfect companion for your next training rifle
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    ALWAYS ARMED 16" 5.56 NATO Quad Rail Upper Receiver - FDE

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO Upper Receiver with 15" M-LOK Quad Rail - FDE Made in the USA 16" 4150 Barrel Chambered in 5.56 NATO 15" Free Floating MLOK Quad Rail Finished in Flat Dark Earth Cerakote Carbine Length Gas System A2 Muzzle Device 1:7 Twist...
    Now: $219.00
    Was: $319.00
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    Now: $219.00
    Was: $319.00
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  • ALWAYS ARMED 10.5" 5.56 NATO FLASH CAN UPPER RECEIVER - MAGPUL FDE
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    ALWAYS ARMED 10.5" 5.56 NATO FLASH CAN UPPER RECEIVER - MAGPUL FDE

    Now: $229.00
    Was: $319.00
    Always Armed 10.5" 5.56 NATO Flash Can 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...
    Now: $229.00
    Was: $319.00
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    Now: $229.00
    Was: $319.00
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  • Most Dependable American Made Mil Spec Upper Receiver Best Overall Carbine Length 5.56 AR-15 Pistol
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    ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - RIDGEWAY BLUE

    Now: $209.00
    Was: $299.00
    Always Armed 10.5" 5.56 NATO Upper Receiver - Ridgeway Blue 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: $209.00
    Was: $299.00
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    Now: $209.00
    Was: $299.00
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  • ALWAYS ARMED 7.5" 5.56 NATO FLASH CAN UPPER Mil-Spec AR-15 Pistol Upper Receiver with M-LOK Rail
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    ALWAYS ARMED 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER WITH 9.25" MLOK RAIL - BLACK

    Now: $229.00
    Was: $299.00
    ALWAYS ARMED 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER WITH 9.25" MLOK RAIL - BLACK 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...
    Now: $229.00
    Was: $299.00
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    Now: $229.00
    Was: $299.00
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  • Bazooka Green 7.5" 5.56 NATO Upper Receiver | Black Nitride Barrel AR-15 7.5" Pistol Upper Receiver - Green
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    ALWAYS ARMED 7.5" 5.56 NATO UPPER RECEIVER - BAZOOKA GREEN

    Now: $209.00
    Was: $299.00
    Always Armed 7.5" 5.56 NATO Upper Receiver - Bazooka Green 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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  • 1:7 Twist 4150 Barrled Upper Receiver Chambered in 5.56 NATO
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - PERIWINKLE

    Now: $199.00
    Was: $319.00
    Always Armed 16" 5.56 NATO Upper Receiver - Periwinkle 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: $199.00
    Was: $319.00
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    Now: $199.00
    Was: $319.00
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  • Most Reliable 5.56 NATO Pistol AR-15 Upper Receiver with Lightweight 7" M-LOK Hand Guard - Sig Pink
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    ALWAYS ARMED 7.5" 5.56 NATO UPPER RECEIVER - SIG PINK

    Now: $209.00
    Was: $299.00
    Always Armed 7.5" 5.56 NATO Upper Receiver - Sig Pink 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 Low...
    Now: $209.00
    Was: $299.00
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    Now: $209.00
    Was: $299.00
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  • ALWAYS ARMED 16" UPPER RECEIVER COMBO DEAL .300 BLACKOUT RIFLE UPPER RECEIVER - M4
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    ALWAYS ARMED 16" UPPER RECEIVER COMBO DEAL - 5.56 NATO/.300 BLACKOUT

    Now: $399.00
    Was: $538.00
    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...
    Now: $399.00
    Was: $538.00
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    Now: $399.00
    Was: $538.00
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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 - BLACK

    Now: $199.00
    Was: $269.00
    ALWAYS ARMED OCTO 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 Carbine Length Gas System ...
    Now: $199.00
    Was: $269.00
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    Now: $199.00
    Was: $269.00
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  • AR15 Rifle Upper Receiver with M-LOK Hand Guard
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - TUNGSTEN GRAY

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - TUNGSTEN GRAY Made in the USA Mil-Spec 7075 T6 Always Armed 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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  • 16" 1:7 twist barrel 15" free float m-lok quad rail
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    ALWAYS ARMED 16" 5.56 NATO Quad Rail Upper Receiver - OD Green

    Now: $219.00
    Was: $349.00
    ALWAYS ARMED 16" 5.56 NATO Upper Receiver with 15" M-LOK Quad Rail - OD Green Made in the USA 16" 4150 Barrel Chambered in 5.56 NATO 15" Free Floating MLOK Quad Rail Finished in OD Green Cerakote Carbine Length Gas System A2 Muzzle Device 1:7...
    Now: $219.00
    Was: $349.00
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    Now: $219.00
    Was: $349.00
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  • ALWAYS ARMED OCTO SERIES 16" 5.56 NATO 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 16" 5.56 NATO BX SERIES UPPER RECEIVER - MAGPUL FDE
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    ALWAYS ARMED 16" 5.56 NATO BX SERIES UPPER RECEIVER - MAGPUL FDE

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO BX SERIES UPPER RECEIVER - MAGPUL 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...
    Now: $219.00
    Was: $319.00
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    Now: $219.00
    Was: $319.00
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  • ALWAYS ARMED 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER - MAGPUL FDE Flash Can Upper Receiver | FDE
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    ALWAYS ARMED 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER - MAGPUL FDE

    Now: $229.00
    Was: $319.00
    ALWAYS ARMED 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER - MAGPUL FDE Made in the USA Mil-Spec 7075 T6 Magpul Upper Receiver with Dust Cover and Forward Assist 7.5" 1:7 Twist 4150 Barrel with Black Nitride Chambered in 5.56 Nato .750 Low Profile Gas Block...
    Now: $229.00
    Was: $319.00
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    Now: $229.00
    Was: $319.00
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  • ALWAYS ARMED 16" JESTER UPPER RECEIVER WITH 12" RAIL 16" 1:7 TWIST 5.56 NATO BARREL
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    ALWAYS ARMED Jester 16" 5.56 NATO UPPER RECEIVER WITH 12" RAIL- BLACK

    Now: $184.99
    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...
    Now: $184.99
    Was: $269.00
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    Now: $184.99
    Was: $269.00
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