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 LTW SERIES 16" 5.56 NATO UPPER RECEIVER - BLACK 16 5.556 nato 1:7 twist barrel
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    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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    Was: $339.00
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  • ALWAYS ARMED UPPER RECEIVER
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    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
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    Was: $269.00
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  • ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - SNIPER GRAY 7075 T6 Forged Upper Receiver with Free Float M-LOK Hand Guard
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - SNIPER GRAY

    Now: $219.00
    Was: $319.00
    Always Armed 16" 5.56 NATO Upper Receiver - Sniper Gray 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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  • 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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    Was: $319.00
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  • ALWAYS ARMED 16" 5.56 NATO Stainless Steel Upper Receiver with 15" M-LOK Quad Rail Hard Coat Black Anodized Mil-Spec AR-15 Upper
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    ALWAYS ARMED 16" 5.56 NATO Stainless Steel Quad Rail Upper Receiver - Black

    Now: $249.00
    Was: $329.00
    ALWAYS ARMED 16" 5.56 NATO Stainless Steel Upper Receiver with 15" M-LOK Quad Rail Made in the USA 16" 416R Stainless Steel Barrel Chambered in 5.56 NATO 15" Free Floating MLOK Quad Rail Black Anodized Finish Carbine Length Gas System Stainless Steel A2...
    Now: $249.00
    Was: $329.00
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    Now: $249.00
    Was: $329.00
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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
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    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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  • 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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  • ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER WITH 12" RAIL, SIGHTS, AND BI-POD - BLACK SHOOTERS GATE | BIPOD | TRINITY FORCE SIGHTS
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    ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER WITH 12" RAIL, SIGHTS, AND BI-POD - BLACK

    Now: $249.00
    Was: $369.00
    ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER WITH 12" RAIL, SIGHTS, AND BI-POD - 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...
    Now: $249.00
    Was: $369.00
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    Was: $369.00
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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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    Was: $319.00
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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
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    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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    Now: $219.00
    Was: $349.00
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  • 16" 1:7 twist barrel 15" free float m-lok quad rail
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    ALWAYS ARMED 16" 5.56 NATO Quad Rail Upper Receiver - OD Green

    Now: $219.00
    Was: $349.00
    ALWAYS ARMED 16" 5.56 NATO Upper Receiver with 15" M-LOK Quad Rail - OD Green Made in the USA 16" 4150 Barrel Chambered in 5.56 NATO 15" Free Floating MLOK Quad Rail Finished in OD Green Cerakote Carbine Length Gas System A2 Muzzle Device 1:7...
    Now: $219.00
    Was: $349.00
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    Now: $219.00
    Was: $349.00
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  • ALWAYS ARMED 16" 5.56 NATO Quad Rail Upper Receiver - FDE This upper finished in FDE Is the perfect companion for your next training rifle
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    ALWAYS ARMED 16" 5.56 NATO Quad Rail Upper Receiver - FDE

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO Upper Receiver with 15" M-LOK Quad Rail - FDE Made in the USA 16" 4150 Barrel Chambered in 5.56 NATO 15" Free Floating MLOK Quad Rail Finished in Flat Dark Earth Cerakote Carbine Length Gas System A2 Muzzle Device 1:7 Twist...
    Now: $219.00
    Was: $319.00
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    Was: $319.00
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  • 1:7 TWIST BARREL | 416R STAINLESS STEEL BARREL 15" FREE FLOAT M-LOK HAND GUARD
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    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 16" 5.56 NATO Upper Receiver with 15" M-LOK Quad Rail AR15 Rifle Upper Receiver
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    ALWAYS ARMED 16" 5.56 NATO Quad Rail Upper Receiver - Black

    Now: $209.00
    Was: $329.00
    ALWAYS ARMED 16" 5.56 NATO Upper Receiver with 15" M-LOK Quad Rail - Black Made in the USA 16" 4150 Barrel Chambered in 5.56 NATO 15" Free Floating MLOK Quad Rail Hard Coat Black Anodized Finish Carbine Length Gas System .750 Ga Block 1/2x28 TPI Thread...
    Now: $209.00
    Was: $329.00
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  • Chambered in 5.56 NATO 7" Free Float M-LOK TR Series Hand Rail
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    ALWAYS ARMED 7.5" 5.56 NATO STAINLESS STEEL TR SERIES UPPER RECEIVER - BLACK ANODIZED

    Now: $189.00
    Was: $279.00
    ALWAYS ARMED 7.5" 5.56 NATO STAINLESS STEEL TR SERIES 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...
    Now: $189.00
    Was: $279.00
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    Now: $189.00
    Was: $279.00
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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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  • 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 TR SERIES UPPER RECEIVER - FDE

    Now: $209.00
    Was: $299.00
    Always Armed 10.5" 5.56 NATO TR Series Upper Receiver - 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 10" Free Float M-LOK TR Series Hand Guard...
    Now: $209.00
    Was: $299.00
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    Now: $209.00
    Was: $299.00
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  • VETERAN'S DAY 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER WITH 9" BX SERIES RAIL - BLACK US COAST GUARD
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    US MILITARY 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER WITH 9" BX RAIL - BLACK

    Now: $229.00
    Was: $299.00
    VETERAN'S DAY 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER WITH 9" MLOK RAIL - BLACK Hard Coat Black Anodized Finish Mil-Spec AR15 Upper Receiver Mil-Spec Forward Assist  Laser Engraved Dust Cover 9" BX Series Free Float M-LOK Rail 7.5" 1:7 Twist 4150...
    Now: $229.00
    Was: $299.00
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    Now: $229.00
    Was: $299.00
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  • ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH 12" RAIL - BLACK 12" free float m-lok handgurad
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH 12" RAIL - BLACK

    Now: $199.00
    Was: $269.00
    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH 12" RAIL - 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: $269.00
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    Now: $199.00
    Was: $269.00
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  • ALWAYS ARMED 10.5" 5.56 NATO BX SERIES UPPER RECEIVER
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    ALWAYS ARMED 10.5" 5.56 NATO BX SERIES UPPER RECEIVER - BLACK ANODIZED

    Now: $189.00
    Was: $249.00
    ALWAYS ARMED 10.5" 5.56 NATO BX SERIES UPPER RECEIVER - BLACK ANODIZED 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...
    Now: $189.00
    Was: $249.00
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    Now: $189.00
    Was: $249.00
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