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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  • 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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  • Cerakote Finish | Tungsten Gray | 7.5" Barrel Upper Receiver with Dust Cover & Forward Assist | AR 15
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    Grid Defense GX2 7.5" 5.56 Flash Can Upper Receiver - Tungsten Gray

    Now: $329.00
    Was: $399.00
    Grid Defense GX2 7.5" 5.56 NATO Flash Can Upper Mil-Spec 7075-T6 5.56 Flash Can Upper Receiver 7.5" 1:7 Twist 4150 M4 Barrel - Black Nitride Chambered in 5.56x45 NATO 9" Grid Defense GX2 Octagon M-Lok Rail Dimpled Flash Can  Pistol 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 5.56 Upper | GX2 7.5" 5.56/.223 Upper Receiver | Mil Spec | Black Anodized
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    Grid Defense GX2 7.5" 5.56 Flash Can Upper Receiver - Black Anodized

    Now: $329.00
    Was: $399.00
    Grid Defense GX2 7.5" 5.56 NATO Flash Can Upper Mil-Spec 7075-T6 7.5" Flash Can Upper Receiver 7.5" 1:7 Twist 4150 M4 Barrel - Black Nitride Chambered in 5.56x45 NATO 9" Grid Defense GX2 Octagon M-Lok Rail Dimpled Flash Can  Pistol Length Gas...
    Now: $329.00
    Was: $399.00
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    Now: $329.00
    Was: $399.00
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  • 10.5" Mil Spec Upper Receiver | AR15 Carbine Length Gas System | M-LOK Rail | 5.56 NATO
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    GRID DEFENSE GX2 10.5" 5.56 UPPER RECEIVER - BLACK

    Now: $329.00
    Was: $379.00
    Grid Defense GX2 10.5" 5.56 Upper Receiver Hard Coat Black Anodized Chambered in 5.56x45 NATO 7075-T6 Milspec Upper Receiver 10.5" 1:7 Twist 4150 Steel M4 Barrel - Black Nitride .750 Low Profile Gas Block Carbine Length Gas System 9" Grid Defense GX2...
    Now: $329.00
    Was: $379.00
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    Now: $329.00
    Was: $379.00
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  • Mil Spec AR15 Upper Receiver | Burnt Bronze Cerakote | 5.56 NATO
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    ALWAYS ARMED LIMITED EDITION 10.5" 5.56 NATO FLASH CAN UPPER WITH STRIKE INDUSTRIES & TIMBER CREEK ACCESSORIES - BURNT BRONZE

    $386.94
    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 Length Gas...
    $386.94
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    $386.94
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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 Cerakote | Mil-Spec Upper Receiver | AR-15 16" 5.56/.223 AR 15 Upper Receiver with 15" M-LOK Hand Guard
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    ALWAYS ARMED LIMITED EDITION 16" 5.56 NATO UPPER WITH STRIKE INDUSTRIES ACCESSORIES - TITANIUM/RED

    $422.85
    Always Armed 16" 5.56 NATO Upper Receiver - Titanium 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 System .750...
    $422.85
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    $422.85
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  • AR15 Rifle Upper Receiver | Strike Industries Billet Dust Cover 16" 5.56 NATO | Mil Spec Upper | Periwinkle Cerakote
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    Grid Defense Limited Edition 16" 5.56 NATO Upper with Strike Industries Accessories - Periwinkle/Blue

    $502.85
    Grid Defense 16" 5.56 Upper Receiver - Periwinkle Periwinkle Cerakote Finish Chambered in 5.56x45 NATO 14" M-Lok Rail 16" 1:7 4150 M4 Barrel - Black Nitride Carbine Length Gas System A2 Flash Hider Mil-Spec 7075-T6 Upper Receiver Strike Industries...
    $502.85
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    $502.85
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  • 16" AR 15 Mil Spec Upper Receiver | 5.56/.223
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    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
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    Now: $219.00
    Was: $319.00
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  • Ridgeway Blue AR15 Upper Receiver | 5.56 NATO
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    ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - RIDGEWAY BLUE

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - RIDGEWAY BLUE Made in the USA Ridgeway Blue 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...
    Now: $219.00
    Was: $319.00
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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
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    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 10.5" 5.56 NATO FLASH CAN UPPER RECEIVER - BURNT BRONZE Burnt Bronze | AR15 Pistol Upper Receiver | 5.56 NATO
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    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
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    Now: $219.00
    Was: $319.00
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  • Ghost Elite 16" Upper 5.56 NATO - Black
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    Ghost Elite 16" Upper 5.56 NATO - Black

    Now: $249.00
    Was: $299.00
    Ghost Firearms 16" 5.56 NATO Upper Receiver - Black Mil-Spec 7075 Forged Aluminum Black 16" Nato Upper Receiver 14" Ghost Firearms M-Lok Rail Black Anodized Finish 16" 1:7 Twist 4150 M4 Barrel - Black Nitride A2 Birdcage Muzzle Device Carbine Length Gas...
    Now: $249.00
    Was: $299.00
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    Now: $249.00
    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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  • Ghost Vital 7.5" Upper 5.56 Nato
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    Ghost Vital 7.5" Upper 5.56 Nato

    Now: $239.00
    Was: $299.00
    Ghost Firearms Vital 7.5" Upper  Chambered in 5.56x45 NATO (5.56/.223) A2 Birdcage Flash Hider 7.5" 1:7 Twist 4150 M4 Barrel Black Nitride Pistol Length Gas System  Ghost Firearms 7" M-Lok Free Float Hand Guard Ghost...
    Now: $239.00
    Was: $299.00
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    Now: $239.00
    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: $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
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    Now: $219.00
    Was: $319.00
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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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  • AR15 Rifle Upper Receiver | Chambered in 5.56 NATO | Timber Creek Billet Dust Cover and Forward Assist
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    ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER WITH TIMBER CREEK DUST COVER AND FORWARD ASSIST - TITANIUM

    $408.98
    ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER Made in the USA Titanium Cerakote Finish Mil-Spec AR15 7075 T6 Upper Receiver Timber Creek Outdoors Blue Anodized Billet Dust Cover Timber Creek Outdoors Blue Anodized Forward Assist 15" Free Float...
    $408.98
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    $408.98
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  • Always Armed Flash Can Upper Receiver with Orange Billet Dust Cover and Forward Assist
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    ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER WITH TEQUILA SUNRISE CAN, TIMBER CREEK ORANGE DUST COVER AND FORWARD ASSIST

    $388.98
    ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER Made in the USA Mil-Spec 7075 T6 5.56 Nato Flash Can Upper Receiver Timber Creek Billet Dust Cover - Orange Anodized Timber Creek Forward Assist - Orange Anodized  7.5" 1:7 Twist 4150...
    $388.98
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    $388.98
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  • 5.56 NATO | AR15 Pistol Upper Receiver | Mil Spec 1:7 Twist Black Nitride Barrel with 9.25" M-LOK Hand Guard | Black Anodized
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    ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO WTIH ZOMBIE GREEN FLASH CAN UPPER RECEIVER - BLACK

    Now: $289.00
    Was: $329.00
    ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER Made in the USA Mil-Spec 7075 T6 octo series 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...
    Now: $289.00
    Was: $329.00
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    Now: $289.00
    Was: $329.00
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