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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  • Midnight Bronze 16" 5.56 NATO Upper Receiver | 15" M-LOK Hand Guard

    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

    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

    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 TR SERIES UPPER RECEIVER - MAGPUL FDE 5.56 NATO is the most common AR round in the US. After being the military standard for combat rifle.

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

    Now: $219.00
    Was: $319.00
    Always Armed 16" 5.56 NATO TR Series 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: $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 TRX SERIES UPPER RECEIVER - BLUE TITANIUM Save on this new upper receiver from Always Armed. Made with ur new TRX handguard that is designed to be as light as possible without sacrificing rigidity.

    ALWAYS ARMED 16" 5.56 NATO TRX SERIES UPPER RECEIVER - BLUE TITANIUM

    Now: $229.00
    Was: $329.00
    Always Armed 16" 5.56 NATO TRX Series Upper Receiver - Blue 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...
    Now: $229.00
    Was: $329.00
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    Now: $229.00
    Was: $329.00
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  • ALWAYS ARMED 16" 5.56 NATO TRX SERIES UPPER RECEIVER - MAGPUL FDE Shop this upper for your next 5.56 build. Designed to be lightweight and easy to maneuver with.

    ALWAYS ARMED 16" 5.56 NATO TRX SERIES UPPER RECEIVER - MAGPUL FDE

    Now: $229.00
    Was: $329.00
    Always Armed 16" 5.56 NATO TRX Series 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: $229.00
    Was: $329.00
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    Now: $229.00
    Was: $329.00
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  • ALWAYS ARMED 16" JESTER UPPER RECEIVER COMBO DEAL - 5.56 NATO/.300 BLACKOUT - FDE

    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 System ...
    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

    Always Armed 16" Stainless Steel 5.56 Nato Upper Receiver - Blue Titanium

    $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...
    $349.00
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    $349.00
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  • ALWAYS ARMED 7.5" 5.56 NATO OCTO SERIES UPPER RECEIVER - BURNT BRONZE Mil Spec AR15 Pistol Upper Receiver 7.5" - Cerakoted Burnt Bronze

    ALWAYS ARMED 7.5" 5.56 NATO OCTO SERIES UPPER RECEIVER - BURNT BRONZE

    Now: $209.00
    Was: $299.00
    Always Armed 7.5" 5.56 NATO Octo Series Upper Receiver - Burnt Bronze 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...
    Now: $209.00
    Was: $299.00
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    Now: $209.00
    Was: $299.00
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  • ALWAYS ARMED 7.5" 5.56 NATO TR SERIES UPPER RECEIVER - BURNT BRONZE This mil-spec upper is finished in a burnt bronze cerakote that is tough enough for any challenge

    ALWAYS ARMED 7.5" 5.56 NATO TR SERIES UPPER RECEIVER - BURNT BRONZE

    Now: $209.00
    Was: $299.00
    Always Armed 7.5" 5.56 NATO TR Series Upper Receiver - Burnt Bronze 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...
    Now: $209.00
    Was: $299.00
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    Now: $209.00
    Was: $299.00
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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

    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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  • ALWAYS ARMED OCT2 SERIES 16" 5.56 NATO UPPER RECEIVER - BLACK Mil Spec AR15 Rifle Upper Receiver with M-LOK Free Float Rail

    ALWAYS ARMED OCT2 SERIES 16" 5.56 NATO UPPER RECEIVER - BLACK

    Now: $219.00
    Was: $269.00
    ALWAYS ARMED OCT2 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" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Carbine Length Gas System ...
    Now: $219.00
    Was: $269.00
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    Now: $219.00
    Was: $269.00
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  • AR15 Rifle Upper Receiver | Chambered in 5.56 NATO | Timber Creek Billet Dust Cover and Forward Assist

    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 STAINLESS STEEL 16" 5.56 NATO UPPER RECEIVER - RIDGEWAY BLUE

    ALWAYS ARMED STAINLESS STEEL 16" 5.56 NATO UPPER RECEIVER - RIDGEWAY BLUE

    Now: $299.00
    Was: $349.00
    ALWAYS ARMED STAINLESS STEEL 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 416R Stainless Steel Barrel Chambered in 5.56 NATO Carbine Length Gas System...
    Now: $299.00
    Was: $349.00
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    Now: $299.00
    Was: $349.00
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  • ALWAYS ARMED TR SERIES 16" 5.56 NATO UPPER RECEIVER WITH 12" RAIL - BURNT BRONZE 12" Free Float M-LOK Hand Rail

    ALWAYS ARMED TR SERIES 16" 5.56 NATO UPPER RECEIVER WITH 12" RAIL - BURNT BRONZE

    Now: $219.00
    Was: $299.00
    ALWAYS ARMED TR SERIES 16" 5.56 NATO UPPER RECEIVER WITH 12" RAIL - BURNT BRONZE Made in the USA Mil-Spec 7075 T6 Magpul Upper Receiver with Dust Cover and Forward Assist 16" 1:7 Twist 4150 Black Nitride Barrel Chambered in 5.56 NATO Carbine Length Gas...
    Now: $219.00
    Was: $299.00
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    Now: $219.00
    Was: $299.00
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  • Andro Corp 10.5" 5.56 Front Sight Upper Receiver - Black Shop this M4 style Upper Receiver for your next A2 Upper Receiver build

    Andro Corp 10.5" 5.56 Front Sight Upper Receiver - Black

    Now: $230.00
    Was: $429.00
    Andro Corp 10.5" 5.56 Front Sight Upper Receiver - Black Made in the USA 10.5" 5.56 NATO Barrel 1:8 Twist Rate 1/2x28 TPI Thread Pitch 7075-T6 Mil-Spec Upper Receiver M4 Handguard Carbine Length Gas System A2 Muzzle Device Black Anodized Mil...
    Now: $230.00
    Was: $429.00
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    Now: $230.00
    Was: $429.00
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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

    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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  • 7.5" 5.56 NATO Grid Defense AR15 Flash Can Upper Receiver with 9" M-Lok Rail Milspec AR-15 Grid Defense 7.5" 5.56 Flash Can Upper Receiver - Black Anodized

    Grid Defense 7.5" 5.56 Flash Can Upper Receiver - Black Anodized

    Now: $329.00
    Was: $399.00
    Grid Defense 7.5" 5.56 NATO Flash Can Upper - Black Anodized Hard Coat Black Anodized Finish Mil-spec 7075-T6 Black 5.56 Upper Receiver 7.5" 1:7 Twist 4150 M4 Barrel - Black Nitride Chambered in 5.56x45 NATO 9" Grid Defense Octagon M-Lok Rail Dimpled...
    Now: $329.00
    Was: $399.00
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    Now: $329.00
    Was: $399.00
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  • Mil-Spec AR15 Upper Receiver with Carbine Length Gas System

    ALWAYS ARMED 16" 5.56 MAKO UPPER RECEIVER - TEQUILA SUNRISE

    $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...
    $319.00
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    $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

    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - ENGRAVED

    Now: $199.00
    Was: $289.00
    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 ...
    Now: $199.00
    Was: $289.00
    Qty in Cart: 0
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    Now: $199.00
    Was: $289.00
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