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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  • M-LOK Compatible Upper Receiver | Best Upper For Outdoorsman Most Affordable and Reliable AR15 | 16" 1:7 Twist Barrel
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    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - BAZOOKA GREEN

    Now: $219.00
    Was: $319.00
    Always Armed 16" 5.56 NATO Upper Receiver - Bazooka Green 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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  • Lightweight AR15 10.5" 1:7 5.56 NATO Upper Receiver 1 MOA Milspec 10.5" Pistol Upper Receiver - Bazooka Green Cerakote
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    ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - BAZOOKA GREEN

    Now: $209.00
    Was: $299.00
    Always Armed 10.5" 5.56 NATO Upper Receiver - Bazooka Green 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...
    Now: $209.00
    Was: $299.00
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    Now: $209.00
    Was: $299.00
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  • Bazooka Green 7.5" 5.56 NATO Upper Receiver | Black Nitride Barrel AR-15 7.5" Pistol Upper Receiver - Green
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    ALWAYS ARMED 7.5" 5.56 NATO UPPER RECEIVER - BAZOOKA GREEN

    Now: $209.00
    Was: $299.00
    Always Armed 7.5" 5.56 NATO Upper Receiver - Bazooka Green 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 Gas System .750...
    Now: $209.00
    Was: $299.00
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    Now: $209.00
    Was: $299.00
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  • Always Armed 5" 5.56 NATO Octo IHS Upper Receiver Always Armed 5" 5.56 NATO Octo IHS Upper Receiver
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    Always Armed 5" 5.56 NATO Octo IHS Upper Receiver

    Now: $219.00
    Was: $299.00
    Always Armed 5" 5.56 Octo IHS Upper Receiver Chambered in 5.56 NATO 4150 salt bath nitride barrel 1/2x28 TPI thread pitch 1:5 twist rate Micro length gas system Mil-Spec upper receiver Upper machined from 7075 forged aluminum A2 flash hider...
    Now: $219.00
    Was: $299.00
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    Now: $219.00
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  • ALWAYS ARMED 16" 5.56 NATO Quad Rail Upper Receiver - Bazooka Green Get this Upper receiver chambered in 5.56 nato and finished in bazooka green cerakote
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    ALWAYS ARMED 16" 5.56 NATO Quad Rail Upper Receiver - Bazooka Green

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO Upper Receiver with 15" M-LOK Quad Rail - Bazooka Green Made in the USA 16" 4150 Barrel Chambered in 5.56 NATO 15" Free Floating MLOK Quad Rail Finished in Bazooka Green Cerakote Carbine Length Gas System .750 Gas...
    Now: $219.00
    Was: $319.00
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  • ALWAYS ARMED 7.5" 5.56 BLACK UPPER RECEIVER BAZOOKA GREEN HANDRAIL
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    ALWAYS ARMED 7.5" 5.56 BLACK UPPER RECEIVER BAZOOKA GREEN HANDRAIL

    Now: $199.00
    Was: $289.00
    ALWAYS ARMED 7.5" 5.56 BLACK UPPER RECEIVER BAZOOKA GREEN HANDRAIL Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist Upper Finished in Hard Coat Black Anodize 7.5" 1:7 Twist 4150 Barrel with Black Nitride Finish...
    Now: $199.00
    Was: $289.00
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    Was: $289.00
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  • ALWAYS ARMED 16" 5.56 NATO OCTO SERIES UPPER RECEIVER - BAZOOKA GREEN 16" 5.56 1:7 Twist black nitride barrel
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    ALWAYS ARMED 16" 5.56 NATO OCTO SERIES UPPER RECEIVER - BAZOOKA GREEN

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO OCTO SERIES UPPER RECEIVER - BAZOOKA GREEN 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...
    Now: $219.00
    Was: $319.00
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    Now: $219.00
    Was: $319.00
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  • Always Armed 18" 5.56 NATO Rifle Length Gen 1 Upper Receiver Always Armed 18" 5.56 NATO Rifle Length Gen 1 Upper Receiver
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    Always Armed 18" 5.56 NATO Rifle Length Gen 1 Upper Receiver

    $189.00 - $219.00
    Always Armed 18" 5.56 NATO Upper Receiver Upper Specifications Mil-Spec Upper Design Machined from 7075-T6 Forging Mil-Spec dust cover and forward assist Made in the USA 15" Free Float OEM Handguard Design Available in Hard Coat Black...
    $189.00 - $219.00
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