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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  • ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - OD GREEN 16" 1:7 Twist 5.56 Nato Barrel
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    ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - OD GREEN

    $299.00
    ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - OD GREEN Made in the USA Mil-Spec 7075 T6 5.56 Nato Upper Receiver with Dust Cover and Forward Assist  16" 1:7  Twist 416R Stainless Steel Barrel Chambered in 5.56 NATO...
    $299.00
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    $299.00
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  • ALWAYS ARMED 16" 5.56 NATO Upper Receiver - OD Green 15" free float m-lok rail
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    ALWAYS ARMED 16" 5.56 NATO Upper Receiver - Magpul OD Green

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO Upper Receiver - Magpul OD Green Made in the USA 16" 4150 Barrel Chambered in 5.56 NATO 15" Free Floating MLOK Rail Finished in Magpul OD Green Cerakote Carbine Length Gas System A2 Muzzle Device 1:7 Twist Rate BCG...
    Now: $219.00
    Was: $319.00
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    Was: $319.00
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  • ALWAYS ARMED | CARBINE LENGTH GAS SYSTEM | 15" M-LOK HAND GUARD TITANIUM CERAKOTE | 5.56 NATO | AR-15
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    Always Armed 16" Stainless Steel 5.56 Nato Upper Receiver - Titanium

    $349.00
    Always Armed 16" Stainless Steel 5.56 Nato Upper Receiver - Titanium 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 Profile Gas...
    $349.00
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    $349.00
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  • ALWAYS ARMED 7.5" STAINLESS STEEL 5.56 BR SERIES DIMPLED FLASH CAN UPPER RECEIVER - BLACK ANODIZED 416R stainless steel 1:7 twist rate barrel
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    ALWAYS ARMED 7.5" STAINLESS STEEL 5.56 NATO BR SERIES DIMPLED FLASH CAN UPPER RECEIVER - BLACK ANODIZED

    Now: $209.00
    Was: $299.00
    ALWAYS ARMED 7.5" STAINLESS STEEL 5.56 NATO BR SERIES DIMPLED FLASH CAN UPPER RECEIVER - BLACK ANODIZED Made in the USA Chambered in 556mm Mil Spec 556mm Upper Receiver 7.5" 416R Stainless Steel Barrel 1:7 Twist Rate 9" BR Series Free Float M-LOK...
    Now: $209.00
    Was: $299.00
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    Now: $209.00
    Was: $299.00
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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: $199.00
    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 Length...
    Now: $199.00
    Was: $269.00
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    Now: $199.00
    Was: $269.00
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  • 10.5" 5.56 NATO | AR15 Pistol Upper Receiver | Cerakote Finish Shop this pistol length 300 upper for the best suppressed upper
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    ALWAYS ARMED OCTO SERIES 10.5" 5.56 NATO UPPER RECEIVER - BURNT BRONZE

    Now: $209.00
    Was: $299.00
    ALWAYS ARMED OCTO SERIES 10.5" 5.56 NATO UPPER RECEIVER - BURNT BRONZE Made in the USA Burnt Bronze Cerakote Finish Mil-Spec 7075 T6 10.5" Nato Upper Receiver with Dust Cover and Forward Assist 10.5" 1:7 Twist Barrel with Black Nitride Finish A2...
    Now: $209.00
    Was: $299.00
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    Now: $209.00
    Was: $299.00
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  • ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO UPPER RECEIVER - TITANIUM TITANIUM | 7.5" 5.56 NATO BARREL
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    ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO UPPER RECEIVER - TITANIUM

    Now: $209.00
    Was: $299.00
    ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO UPPER RECEIVER - TITANIUM Mil-Spec AR15 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7" Free Float M-LOK OCTO Series Rail 7.5" 1:7 Twist Barrel with Black Nitride Finish A2 Flash Hider Finished in...
    Now: $209.00
    Was: $299.00
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    Now: $209.00
    Was: $299.00
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  • Ghost Vital 10.5" Upper 5.56 Nato
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    Ghost Vital 10.5" Upper 5.56 Nato - Black

    Now: $239.00
    Was: $299.00
    Ghost Vital 10.5" Upper 5.56 Nato Chambered in 5.56 NATO Mil Spec Upper Receiver with Dust Cover and Forward Assist A2 Birdcage Flash Hider 10.5" 1:7 4150 M4 Barrel - Black Nitride Carbine Length Gas System Ghost Firearms 9' M-Lok Hand Guard Hard Coat...
    Now: $239.00
    Was: $299.00
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    Now: $239.00
    Was: $299.00
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  • Mil-Spec AR15 Pistol Upper Receiver with 10.5" 1:7 twist barrel, 12" M-LOK rail and Flash Can Grid Defense 10.5" 5.56 NATO Upper Receiver in Tungsten Gray
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    Grid Defense 10.5" 5.56 Flash Can Upper Receiver - Tungsten Gray

    Now: $329.00
    Was: $399.00
    Grid Defense 10.5" 5.56 Dimpled Flash Can Upper in Tungsten Gray  Finished in Tungsten Gray 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...
    Now: $329.00
    Was: $399.00
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    Now: $329.00
    Was: $399.00
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  • 15" Free Float M-LOK Quad Rail ALWAYS ARMED 16" 5.56 NATO Quad Rail Upper Receiver - Grape
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    ALWAYS ARMED 16" 5.56 NATO Quad Rail Upper Receiver - Grape

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO Upper Receiver with 15" M-LOK Quad Rail - Grape Made in the USA 16" 4150 Barrel Chambered in 5.56 NATO 15" Free Floating MLOK Quad Rail Finished in Grape Cerakote Carbine Length Gas System A2 Muzzle Device 1:7 Twist Rate BCG...
    Now: $219.00
    Was: $319.00
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    Now: $219.00
    Was: $319.00
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  • AR15 Upper Receiver Combo | 5.56 NATO | .300 Blackout
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    ALWAYS ARMED 16" UPPER RECEIVER WITH 12" RAIL COMBO DEAL - 5.56 NATO/.300 BLACKOUT

    Now: $399.00
    Was: $558.00
    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: $558.00
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    Now: $399.00
    Was: $558.00
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  • ALWAYS ARMED 7.5" 5.56 AMERICAN FLAG DUST COVER UPPER RECEIVER - BLACK ANODIZED Milspec AR15 Pistol Upper Receiver 7.5" Upper with 1:7 Twist
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    ALWAYS ARMED 7.5" 5.56 AMERICAN FLAG DUST COVER 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 Custom Laser Engraved American Flag Dust Cover Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  7.5" 1:7 Twist 4150 Barrel with Black Nitride...
    Now: $189.00
    Was: $249.00
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    Now: $189.00
    Was: $249.00
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  • Chambered in 5.56 NATO ALWAYS ARMED 7.5" 5.56 NATO UPPER RECEIVER - BLACK ANODIZED
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    ALWAYS ARMED 7.5" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - BLACK ANODIZED

    Now: $189.00
    Was: $279.00
    ALWAYS ARMED 7.5" 5.56 NATO STAINLESS STEEL 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 Length...
    Now: $189.00
    Was: $279.00
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    Now: $189.00
    Was: $279.00
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  • 16" 5.56 NATO UPPER RECEIVER | ALWAYS ARMED MAGPUL FLAT DARK EARTH | AR15 | MIL SPEC UPPER
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    ALWAYS ARMED JESTER 16" 5.56 NATO UPPER RECEIVER - FDE

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED JESTER 16" 5.56 NATO 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...
    Now: $219.00
    Was: $319.00
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    Now: $219.00
    Was: $319.00
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  • 12" tr series free float m-lok handguard 10.5" 1:7 twist barrel
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    ALWAYS ARMED TR SERIES 10.5" 5.56 NATO FLASH CAN UPPER RECEIVER - BURNT BRONZE

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED TR SERIES 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...
    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 MID LENGTH UPPER RECEIVER - BLACK AR-15 Upper 16" with 1:7 Twist Barrel and M-LOK Hand Guard
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    ALWAYS ARMED 16" 5.56 NATO MID LENGTH UPPER RECEIVER - BLACK

    Now: $199.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO MID LENGTH UPPER RECEIVER - BLACK Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  16" 1:7 Twist 4150 Steel Barrel with Black Nitride Finish Chambered in 5.56 NATO Mid Length Gas System ...
    Now: $199.00
    Was: $319.00
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    Now: $199.00
    Was: $319.00
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  • ALWAYS ARMED 16" 5.56 NATO Quad Rail Upper Receiver - Smith & Wesson Red Shop for your next training day with this quad rail upper from always armed
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    ALWAYS ARMED 16" 5.56 NATO Quad Rail Upper Receiver - Smith & Wesson Red

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO Upper Receiver with 15" M-LOK Quad Rail - Smith & Wesson Red Made in the USA 16" 4150 Barrel Chambered in 5.56 NATO 15" Free Floating MLOK Quad Rail Finished in Smith & Wesson Red Cerakote Carbine Length Gas System ...
    Now: $219.00
    Was: $319.00
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    Now: $219.00
    Was: $319.00
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  • FINISHED IN HARD COAT BLACK ANODIZING 16" 5.56 NATO UPPER RECEIVER WITH 1:7 TWIST BARREL
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH 12" KEYMOD HAND GUARD

    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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    Now: $199.00
    Was: $269.00
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  • ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH MID LENGTH GAS SYSTEM, 12" M-LOK RAIL, POP UP SIGHTS AND ANGLED FOREGRIP
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH MID LENGTH GAS SYSTEM, 12" M-LOK RAIL, POP UP SIGHTS AND ANGLED FOREGRIP

    Now: $249.00
    Was: $319.00
    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 Upper Receiver with Dust Cover and Forward Assist  16" 1:7 Twist 4150 Steel Barrel with Black Nitride Finish...
    Now: $249.00
    Was: $319.00
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    Now: $249.00
    Was: $319.00
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  • ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH STAINLESS STEEL HBAR
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH STAINLESS STEEL HBAR, 12" M-LOK RAIL, POP UP SIGHTS AND BIPOD FOREGRIP

    Now: $279.00
    Was: $339.00
    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH STAINLESS STEEL HBAR, 12" M-LOK RAIL, POP UP SIGHTS AND BIPOD FOREGRIP Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist  16" 1:7 Twist 416R Stainless Steel HBAR...
    Now: $279.00
    Was: $339.00
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    Now: $279.00
    Was: $339.00
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