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 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: $219.00
    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: $219.00
    Was: $319.00
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    Was: $319.00
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  • ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER WITH 12" RAIL, SIGHTS, AND BI-POD - BLACK SHOOTERS GATE | BIPOD | TRINITY FORCE SIGHTS
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    ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER WITH 12" RAIL, SIGHTS, AND BI-POD - BLACK

    Now: $249.00
    Was: $369.00
    ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER WITH 12" RAIL, SIGHTS, AND BI-POD - BLACK 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...
    Now: $249.00
    Was: $369.00
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    Now: $249.00
    Was: $369.00
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  • ALWAYS ARMED 7.5" 5.56 NATO NO SHOW FLASH CAN UPPER RECEIVER - SMITH & WESSON RED 7.5" 5.56 NATO 1:7 TWIST BARREL WITH FLASH CAN
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    ALWAYS ARMED 7.5" 5.56 NATO NO SHOW FLASH CAN UPPER RECEIVER - SMITH & WESSON RED

    Now: $264.00
    Was: $334.00
    ALWAYS ARMED 7.5" 5.56 NATO NO SHOW FLASH CAN UPPER RECEIVER - SMITH & WESSON RED 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...
    Now: $264.00
    Was: $334.00
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    Now: $264.00
    Was: $334.00
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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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  • 10.5" 5.56 NATO Upper Receiver by Grid Defense Grid Defense 10.5" 5.56 Blue Titanium AR15 Upper Receiver
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    Grid Defense 10.5" 5.56 Flash Can Upper Receiver - Blue Titanium

    Now: $329.00
    Was: $399.00
    Grid Defense 10.5" 5.56 Flash Can Upper Receiver Finished in Blue Titanium Cerakote Made in the USA 7075-T6 Mil-Spec 10.5" Flash Can Upper Receiver 10.5" 1:7 Twist 4150 M4 Profile Barrel - Black Nitride Chambered in 5.56x45 NATO Carbine Length Gas...
    Now: $329.00
    Was: $399.00
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    Now: $329.00
    Was: $399.00
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  • Grid Defense AR15 Pistol Upper Receiver - FDE Grid Defense AR15 Pistol Upper Receiver - FDE
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    Grid Defense 10.5" 5.56 Flash Can Upper Receiver - FDE

    Now: $329.00
    Was: $399.00
    Grid Defense 10.5" 5.56 Flash Can Upper Receiver Finished in Magpul Flat Dark Earth Cerakote Made in the USA 7075-T6 Mil-Spec 5.56 Flash Can Upper Receiver 10.5" 1:7 Twist 4150 M4 Profile Barrel - Black Nitride Chambered in 5.56x45 NATO Carbine Length...
    Now: $329.00
    Was: $399.00
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    Now: $329.00
    Was: $399.00
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  • Grid Defense Tactical Grape 5.56 NATO AR15 Flash Can Upper Receiver Milspec Pistol Upper Receiver in Purple Cerakote by Grid Defense
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    Grid Defense 10.5" 5.56 Flash Can Upper Receiver - Tactical Grape

    Now: $329.00
    Was: $399.00
    Grid Defense 10.5" 5.56 Flash Can Upper Receiver Finished in Purple Cerakote Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:7 Twist 4150 M4 Profile Barrel - Black Nitride Chambered in 5.56x45 NATO Carbine Length Gas System .750 Low Profile Gas...
    Now: $329.00
    Was: $399.00
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    Now: $329.00
    Was: $399.00
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  • AR15 Pistol Upper Receiver with Flash Can and Billet Dust Cover
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    Grid Defense Limited Edition 7.5" 5.56 Flash Can Upper With Timber Creek Accessories - Tequila Sunrise

    $458.98
    Grid Defense 7.5" 5.56 NATO Flash Can Upper Receiver - Tequila Sunrise  Finished in Tequila Sunrise Cerakote 5.56 Flash Can Upper Made in the USA 1:7 Twist 7.5" 4150 M4 Barrel - Black Nitride 9" Octagon M-Lok Hand Guard Ridgeway Blue Cerakoted...
    $458.98
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    $458.98
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  • Titanium Always Armed 16" 5.56 NATO Upper Receiver Mil-Spec AR47 Rifle Upper Receiver - Titanium Cerakote Finish
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    LIMITED EDITION ALWAYS ARMED 16" 5.56 4th OF JULY UPPER RECEIVER - TITANIUM

    $579.95
    ALWAYS ARMED 16" 5.56 4th OF JULY UPPER RECEIVER - TITANIUM Always Armed 16" 5.56 NATO 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...
    $579.95
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    $579.95
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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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  • Midnight Bronze 16" 5.56 NATO Upper Receiver | 15" M-LOK Hand Guard
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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 5.56 Mako 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...
    $319.00
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    $319.00
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  • AR-15 Rifle Upper Receiver | 15" M-Lok Hand Guard
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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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  • 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 16 Inch 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...
    $319.00
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    $319.00
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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

    $209.00 - $229.00
    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...
    $209.00 - $229.00
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    $209.00 - $229.00
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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

    $209.00 - $229.00
    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...
    $209.00 - $229.00
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    $209.00 - $229.00
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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

    $209.00 - $229.00
    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 ...
    $209.00 - $229.00
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    $209.00 - $229.00
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  • ALWAYS ARMED 16" JESTER UPPER RECEIVER COMBO DEAL - 5.56 NATO/.300 BLACKOUT - FDE
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    ALWAYS ARMED 16" JESTER UPPER RECEIVER COMBO DEAL - 5.56 NATO/.300 BLACKOUT - FDE

    Now: $458.00
    Was: $658.00
    Always Armed 16" 5.56 NATO Jester 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...
    Now: $458.00
    Was: $658.00
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    Now: $458.00
    Was: $658.00
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  • 1:7 TWIST BARREL | 416R STAINLESS STEEL BARREL 15" FREE FLOAT M-LOK HAND GUARD
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    Always Armed 16" Stainless Steel 5.56 Nato Upper Receiver - Blue Titanium

    Now: $209.00
    Was: $349.00
    Always Armed 16" Stainless Steel 5.56 Nato Upper Receiver - Blue Titanium Blue Titanium Cerakote Finish Chambered in 5.56 NATO Stainless Steel A2 Flash Hider 16" 1:7 Twist 416R Stainless Steel Barrel - M4 Profile Carbine Length Gas System .750 Low...
    Now: $209.00
    Was: $349.00
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    Now: $209.00
    Was: $349.00
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  • Always Armed 18" 5.56 NATO Rifle Length Gen 1 Upper Receiver Always Armed 18" 5.56 NATO Rifle Length Gen 1 Upper Receiver
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    Always Armed 18" 5.56 NATO Rifle Length Gen 1 Upper Receiver

    $189.00 - $219.00
    Always Armed 18" 5.56 NATO Upper Receiver Upper Specifications Mil-Spec Upper Design Machined from 7075-T6 Forging Mil-Spec dust cover and forward assist Made in the USA 15" Free Float OEM Handguard Design Available in Hard Coat Black...
    $189.00 - $219.00
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    $189.00 - $219.00
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