5.56mm Uppers

5.56mm Uppers

AR15 Upper receivers in 556 NATO available in 16", 10.5" and 7.5" lengths for your next build. Check out our AR-15 Uppers in Cerakote colors like FDE and Burnt Bronze. Please keep in mind these are the standard 5.56x45 Nato upper receivers and can use 5.56 or .223 ammo. If you are looking for something a little different than your standard rifle upper make sure you checkout the pistol upper receivers we offer and keep an eye out for new uppers and cerakote colors.

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  • Best Magpul Flat Dark Earth AR15 Upper Mil-spec 16" Rifle Upper Receiver - FDE
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - MAGPUL FDE

    Now: $219.00
    Was: $319.00
    Always Armed 16" 5.56 NATO Upper Receiver - Magpul FDE Made in the USA Mil-Spec 7075 T6 Magpul 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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  • Hard Coat Black Anodized 16" 556 NATO Upper Receiver AR-15 Upper 16" with 1:7 Twist Barrel and M-LOK Hand Guard
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - BLACK

    Now: $199.00
    Was: $269.00
    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: $199.00
    Was: $269.00
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    Was: $269.00
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  • Most Dependable 10.5" Upper Receiver | Hard Coat Black Anodized AR 15 5.56 NATO 10.5" Upper with 1:7 Twist
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    ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - BLACK

    Now: $189.00
    Was: $249.00
    Always Armed 10.5" 5.56 NATO Upper Receiver - Black 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 Low...
    Now: $189.00
    Was: $249.00
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    Now: $189.00
    Was: $249.00
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  • 5.56 NATO/.223 Wylde Upper Receiver with Lightweight M-LOK Hand Guard Most Accurate Black Anodized Pistol Upper Receiver
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    ALWAYS ARMED 7.5" 5.56 NATO UPPER RECEIVER - BLACK ANODIZED

    Now: $189.00
    Was: $249.00
    Always Armed 7.5" 5.56 NATO 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 System ...
    Now: $189.00
    Was: $249.00
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    Now: $189.00
    Was: $249.00
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  • Carbine Length Gas System | Government Profile Barrel AR15 Rifle Upper Receiver - Burnt Bronze Cerakote Finish
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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 ...
    Now: $219.00
    Was: $319.00
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  • The Best AR15 Upper Receiver for Women 16" Mil-Spec AR Rifle Upper Receiver - Sig Pink Cerakote
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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 Chambered in 5.56 NATO Carbine Length Gas System .750 Low...
    Now: $219.00
    Was: $319.00
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    Now: $219.00
    Was: $319.00
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  • 7075 T6 Forged Upper Receiver with Free Float M-LOK Hand Guard AR-15 Rifle Upper Receiver - Smith & Wesson Red Cerakote Finish
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - SMITH & WESSON RED

    Now: $219.00
    Was: $319.00
    Always Armed 16" 5.56 NATO Upper Receiver - Smith & Wesson Red 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: $219.00
    Was: $319.00
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  • Most Accurate FDE 5.56 NATO Upper Receiver Mil-Spec AR-15 Pistol Upper Receiver with 1913 Mil Std Pica Tinny
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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
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  • Best Quality Milspec Upper Receiver | 5.56/.223 Mil-Spec AR15 Rifle Upper - Titanium Cerakote Finish
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - TITANIUM

    Now: $219.00
    Was: $319.00
    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 Chambered in 5.56 NATO Carbine Length Gas System .750 Low...
    Now: $219.00
    Was: $319.00
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    Now: $219.00
    Was: $319.00
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  • Best Right Handed Flat Dark Earth Upper Receiver Budget Friendly AR 15 Pistol Upper Receiver - Magpul FDE
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    ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - MAGPUL FDE

    Now: $209.00
    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: $209.00
    Was: $299.00
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    Now: $209.00
    Was: $299.00
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  • Most Affordable 7.5" 5.56 NATO Upper Receiver with 7" Rail AR 15 Pistol Upper Receiver - Smith & Wesson Red
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    ALWAYS ARMED 7.5" 5.56 NATO UPPER RECEIVER - SMITH & WESSON RED

    Now: $209.00
    Was: $299.00
    Always Armed 7.5" 5.56 NATO 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 Pistol Length Gas...
    Now: $209.00
    Was: $299.00
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    Now: $209.00
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  • Always Armed 10.5" 5.56 NATO Upper Receiver with 10" Rail AR15 Pistol Upper Receiver 556 - Burnt Bronze Cerakote
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    ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - BURNT BRONZE

    Now: $209.00
    Was: $299.00
    Always Armed 10.5" 5.56 NATO 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 System ...
    Now: $209.00
    Was: $299.00
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    Now: $209.00
    Was: $299.00
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  • M-LOK Compatible Upper Receiver | Best Upper For Outdoorsman Most Affordable and Reliable AR15 | 16" 1:7 Twist Barrel
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - BAZOOKA GREEN

    Now: $219.00
    Was: $319.00
    Always Armed 16" 5.56 NATO 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 Length Gas...
    Now: $219.00
    Was: $319.00
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  • ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH 12" M-LOK RAIL
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH 12" M-LOK RAIL, POP UP SIGHTS AND ANGLED FOREGRIP

    Now: $219.00
    Was: $329.00
    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH 12" M-LOK RAIL, POP UP SIGHTS AND ANGLED FOREGRIP Made in the USA Mil-Spec 7075 T6 Nato Upper Receiver with Dust Cover and Forward Assist 16" 1:7 Twist 4150 Steel Barrel Chambered in 5.56 NATO Carbine...
    Now: $219.00
    Was: $329.00
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    Now: $219.00
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  • Red Always Armed 10.5" 5.56 NATO Upper Receiver with Free Float Rail Mil Spec AR-15 Pistol Upper Receiver - Smith & Wesson Red
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    ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - SMITH & WESSON RED

    Now: $209.00
    Was: $299.00
    Always Armed 10.5" 5.56 NATO Upper Receiver - Smith & Wesson Red 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 in 5.56 NATO Carbine Length...
    Now: $209.00
    Was: $299.00
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    Now: $209.00
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  • 1/2x28 1:7 Twist Chromoly Barrel | Black Nitride Most Accurate 556 NATO with A2 Flash Hider
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    ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - TITANIUM

    Now: $209.00
    Was: $299.00
    Always Armed 10.5" 5.56 NATO Upper Receiver - Titanium 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: $209.00
    Was: $299.00
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    Now: $209.00
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  • Lightweight AR15 Upper Receiver with .750 Low Profile Gas Block and Carbine Gas Tube 16" Rifle Upper Receiver with M-LOK Rail - Ridgeway Blue Cerakote
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - RIDGEWAY BLUE

    Now: $219.00
    Was: $319.00
    Always Armed 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 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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    Now: $219.00
    Was: $319.00
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  • ALWAYS ARMED 16" 5.56 NATO TR UPPER RECEIVER - BLACK Shop this upper receiver as the perfect match for your next diy ar15 build
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    ALWAYS ARMED 16" 5.56 NATO TR UPPER RECEIVER - BLACK

    Now: $199.00
    Was: $269.00
    ALWAYS ARMED 16" 5.56 NATO TR 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...
    Now: $199.00
    Was: $269.00
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    Now: $199.00
    Was: $269.00
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  • Blue Always Armed 7.5" 1:7 556 NATO Upper Receiver AR 15 Pistol Upper Receiver with M-Lok Rail - Ridgeway Blue Cerakote
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    ALWAYS ARMED 7.5" 5.56 NATO UPPER RECEIVER - RIDGEWAY BLUE

    Now: $209.00
    Was: $299.00
    Always Armed 7.5" 5.56 NATO Upper Receiver - Ridgeway Blue 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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  • 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
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