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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  • 16" AR 15 Mil Spec Upper Receiver | 5.56/.223

    ALWAYS ARMED 16" 5.56 NATO BX SERIES UPPER RECEIVER - TITANIUM

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO BX SERIES 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...
    Now: $219.00
    Was: $319.00
    Qty in Cart: 0
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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

    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
    Qty in Cart: 0
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    Now: $229.00
    Was: $319.00
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  • 1:7 Twist 4150 Barrled Upper Receiver Chambered in 5.56 NATO

    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - PERIWINKLE

    Now: $219.00
    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 System ...
    Now: $219.00
    Was: $319.00
    Qty in Cart: 0
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    Now: $219.00
    Was: $319.00
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  • 5.56 NATO Upper Receiver with 12" M-Lok Hand Guard

    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH 12" M-LOK - BURNT BRONZE

    Now: $229.00
    Was: $319.00
    Always Armed 16" 5.56 NATO Upper Receiver - Burnt Bronze Made in the USA Mil-Spec 7075 T6 5.56 Nato Flash Can 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: $229.00
    Was: $319.00
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    Now: $229.00
    Was: $319.00
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  • Always Armed 7.5" 5.56 NATO Pistol Upper Receiver with 7" M Lok Hand Guard ALWAYS ARMED 7.5" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - BLUE TITANIUM

    ALWAYS ARMED 7.5" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - BLUE TITANIUM

    Now: $209.00
    Was: $319.00
    ALWAYS ARMED 7.5" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - BLUE TITANIUM  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 Gas...
    Now: $209.00
    Was: $319.00
    Qty in Cart: 0
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    Now: $209.00
    Was: $319.00
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  • ALWAYS ARMED TR SERIES 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - MAGPUL FDE Stainless Steel Barrel and Stainless Steel A2 Flash Hider

    ALWAYS ARMED TR SERIES 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - MAGPUL FDE

    $349.00
    Always Armed TR Series 16" 5.56 NATO Stainless Steel 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 416R Stainless Steel Barrel Chambered in 5.56 NATO Carbine Length...
    $349.00
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    $349.00
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  • ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER WITH 12" MLOK RAIL

    ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER WITH 12" MLOK RAIL & TEQUILA SUNRISE FLASH CAN - BLACK

    Now: $259.00
    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 .750...
    Now: $259.00
    Was: $299.00
    Qty in Cart: 0
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    Now: $259.00
    Was: $299.00
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  • Always Armed 16" 5.56 NATO Stainless Steel Upper Receiver - Flat Dark Earth Mil-spec 16" Rifle Upper Receiver - Magpul FDE

    ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - MAGPUL FDE

    $349.00
    Always Armed 16" 5.56 NATO Stainless Steel 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 416R Stainless Steel Barrel Chambered in 5.56 NATO Carbine Length Gas System ...
    $349.00
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    $349.00
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  • ALWAYS ARMED 16" 5.56 NATO BX SERIES UPPER RECEIVER ALWAYS ARMED 16" 5.56 NATO BX SERIES UPPER RECEIVER - BLACK

    ALWAYS ARMED 16" 5.56 NATO BX SERIES UPPER RECEIVER - BLACK

    Now: $199.00
    Was: $269.00
    ALWAYS ARMED 16" 5.56 NATO BX SERIES 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...
    Now: $199.00
    Was: $269.00
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    Qty in Cart: 0
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    Now: $199.00
    Was: $269.00
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  • ALWAYS ARMED 16" 5.56 NATO Upper Receiver with 15" M-LOK Quad Rail - Tungsten Gray 16" 1:7 twist barrel

    ALWAYS ARMED 16" 5.56 NATO Quad Rail Upper Receiver - Tungsten Gray

    Now: $219.00
    Was: $349.00
    ALWAYS ARMED 16" 5.56 NATO Upper Receiver with 15" M-LOK Quad Rail - Tungsten Gray Made in the USA 16" 4150 Barrel Chambered in 5.56 NATO 15" Free Floating MLOK Quad Rail Finished in Tungsten Gray Cerakote Carbine Length Gas System A2 Muzzle Device 1:7...
    Now: $219.00
    Was: $349.00
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    Qty in Cart: 0
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    Now: $219.00
    Was: $349.00
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  • Always Armed 16" 556 NATO Stainless Steel Upper Receiver - Black AR-15 Always Armed Upper 16" with 1:7 Twist Barrel

    ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - BLACK

    Now: $249.00
    Was: $299.00
    ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - 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 Carbine Length Gas System ...
    Now: $249.00
    Was: $299.00
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    Qty in Cart: 0
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    Now: $249.00
    Was: $299.00
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  • ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH MAGPUL AFG

    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH MAGPUL AFG

    Now: $219.00
    Was: $295.95
    Always Armed 16" 5.56 NATO Upper Receiver with Magpul AFG 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: $295.95
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    Now: $219.00
    Was: $295.95
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  • ALWAYS ARMED UPPER RECEIVER

    ALWAYS ARMED 16" 5.56 NATO 1:7 MID LENGTH UPPER RECEIVER WITH 12" TR MLOK RAIL

    Now: $199.00
    Was: $269.00
    ALWAYS ARMED 16" 5.56 NATO 1:7 MID LENGTH UPPER RECEIVER WITH 12" TR MLOK RAIL 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...
    Now: $199.00
    Was: $269.00
    Qty in Cart: 0
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    Now: $199.00
    Was: $269.00
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  • Always Armed 16" 556 NATO Stainless Steel Upper Receiver - Black AR-15 Always Armed Upper 16" with 1:7 Twist Barrel

    ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER 12" RAIL - BLACK

    $289.00
    ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER 12" RAIL - 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 Carbine Length Gas...
    $289.00
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    $289.00
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  • Magpul Flat Dark Earth Pistol Upper Receiver | 5.56 NATO Always Armed 7.5" Flash Can Upper Receiver | M-LOK

    ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER - FDE

    Now: $229.00
    Was: $319.00
    ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER - FDE Made in the USA Mil-Spec 7075 T6 5.56 Nato Flash Can 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: $229.00
    Was: $319.00
    Qty in Cart: 0
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    Now: $229.00
    Was: $319.00
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  • ALWAYS ARMED LTW SERIES 16" 5.56 NATO UPPER RECEIVER - BLACK 16 5.556 nato 1:7 twist barrel

    ALWAYS ARMED ULTRALIGHT SERIES 16" 5.56 NATO UPPER RECEIVER WITH 13.5" 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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    Qty in Cart: 0
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    Now: $199.00
    Was: $339.00
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  • ALWAYS ARMED 10.5" 5.56 NATO FLASH CAN UPPER RECEIVER - BURNT BRONZE Burnt Bronze | AR15 Pistol Upper Receiver | 5.56 NATO

    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...
    Now: $219.00
    Was: $319.00
    Qty in Cart: 0
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    Now: $219.00
    Was: $319.00
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  • ALWAYS ARMED 16" 5.56 NATO BX SERIES UPPER RECEIVER ALWAYS ARMED 15" FREE FLOAT M-LOK BOX RAIL HAND GUARD

    ALWAYS ARMED 16" 5.56 NATO BX SERIES UPPER RECEIVER - BURNT BRONZE

    Now: $229.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO BX SERIES 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...
    Now: $229.00
    Was: $319.00
    Qty in Cart: 0
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    Price:
    Now: $229.00
    Was: $319.00
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  • Rose Gold AR15 Rifle Length Upper Receiver

    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - PINK CHAMPAGNE

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - PINK CHAMPAGNE Made in the USA Mil-Spec 7075 T6 16" 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
    Qty in Cart: 0
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    Price:
    Now: $219.00
    Was: $319.00
    Subtotal:
  • ALWAYS ARMED OCTO SERIES 10.5" 5.56 UPPER RECEIVER - FDE best 10.5" 5.56 Upper receiver for any ar15 build

    ALWAYS ARMED OCTO SERIES 10.5" 5.56 UPPER RECEIVER - FDE

    Now: $209.00
    Was: $299.00
    ALWAYS ARMED OCTO SERIES 10.5" 5.56 UPPER RECEIVER - FDE Made in the USA Magpul FDE Cerakote Finish Mil-Spec AR15 7075 T6 Upper Receiver with Dust Cover and Forward Assist 9.25" Free Float M-LOK OCTO Series Rail 10.5" 1:7 Twist Barrel with Black Nitride...
    Now: $209.00
    Was: $299.00
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    Now: $209.00
    Was: $299.00
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