5.56mm Uppers

5.56mm Uppers

Discover high-performance 5.56 upper receivers for your AR-15 at Always Armed. Our Cerakote-finished 5.56 NATO AR-15 uppers offer accuracy, durability, and style. Shop the best AR-15 upper receivers for rifle and pistol builds today.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Best Magpul Flat Dark Earth AR15 Upper Mil-spec 16" Rifle Upper Receiver - FDE
    Choose Options
    Quick view

    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - MAGPUL FDE

    Now: $219.00
    Was: $319.00
    Always Armed 16" 5.56 NATO 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 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Carbine Length Gas System .750...
    Now: $219.00
    Was: $319.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $219.00
    Was: $319.00
    Subtotal:
    Choose Options
  • Hard Coat Black Anodized 16" 556 NATO Upper Receiver AR-15 Upper 16" with 1:7 Twist Barrel and M-LOK Hand Guard
    Choose Options
    Quick view

    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - BLACK

    Now: $189.00
    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 ...
    Now: $189.00
    Was: $269.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $189.00
    Was: $269.00
    Subtotal:
    Choose Options
  • Most Dependable 10.5" Upper Receiver | Hard Coat Black Anodized AR 15 5.56 NATO 10.5" Upper with 1:7 Twist
    Choose Options
    Quick view

    ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - BLACK

    Now: $179.00
    Was: $249.00
    Always Armed 10.5" 5.56 NATO Upper Receiver - Black 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 ...
    Now: $179.00
    Was: $249.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $179.00
    Was: $249.00
    Subtotal:
    Choose Options
  • 5.56 NATO/.223 Wylde Upper Receiver with Lightweight M-LOK Hand Guard Most Accurate Black Anodized Pistol Upper Receiver
    Choose Options
    Quick view

    ALWAYS ARMED 7.5" 5.56 NATO UPPER RECEIVER - BLACK ANODIZED

    Now: $189.00
    Was: $249.00
    Always Armed 7.5" 5.56 NATO 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 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Pistol Length Gas System ...
    Now: $189.00
    Was: $249.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $189.00
    Was: $249.00
    Subtotal:
    Choose Options
  • Carbine Length Gas System | Government Profile Barrel AR15 Rifle Upper Receiver - Burnt Bronze Cerakote Finish
    Choose Options
    Quick view

    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - BURNT BRONZE

    Now: $219.00
    Was: $319.00
    Always Armed 16" 5.56 NATO 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 Gas System ...
    Now: $219.00
    Was: $319.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $219.00
    Was: $319.00
    Subtotal:
    Choose Options
  • The Best AR15 Upper Receiver for Women 16" Mil-Spec AR Rifle Upper Receiver - Sig Pink Cerakote
    Choose Options
    Quick view

    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - SIG PINK

    Now: $219.00
    Was: $319.00
    Always Armed 16" 5.56 NATO Upper Receiver - Sig Pink 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...
    Now: $219.00
    Was: $319.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $219.00
    Was: $319.00
    Subtotal:
    Choose Options
  • 7075 T6 Forged Upper Receiver with Free Float M-LOK Hand Guard AR-15 Rifle Upper Receiver - Smith & Wesson Red Cerakote Finish
    Choose Options
    Quick view

    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - SMITH & WESSON RED

    Now: $219.00
    Was: $319.00
    Always Armed 16" 5.56 NATO Upper Receiver - Smith & Wesson Red 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: $219.00
    Was: $319.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $219.00
    Was: $319.00
    Subtotal:
    Choose Options
  • Most Accurate FDE 5.56 NATO Upper Receiver Mil-Spec AR-15 Pistol Upper Receiver with 1913 Mil Std Pica Tinny
    Choose Options
    Quick view

    ALWAYS ARMED 7.5" 5.56 NATO UPPER RECEIVER - MAGPUL FDE

    Now: $209.00
    Was: $299.00
    Always Armed 7.5" 5.56 NATO Upper Receiver - Magpul FDE 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
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $209.00
    Was: $299.00
    Subtotal:
    Choose Options
  • Best Quality Milspec Upper Receiver | 5.56/.223 Mil-Spec AR15 Rifle Upper - Titanium Cerakote Finish
    Choose Options
    Quick view

    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - TITANIUM

    Now: $209.00
    Was: $319.00
    Always Armed 16" 5.56 NATO 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 System ...
    Now: $209.00
    Was: $319.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $209.00
    Was: $319.00
    Subtotal:
    Choose Options
  • Best Right Handed Flat Dark Earth Upper Receiver Budget Friendly AR 15 Pistol Upper Receiver - Magpul FDE
    Choose Options
    Quick view

    ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - MAGPUL FDE

    Now: $209.00
    Was: $299.00
    Always Armed 10.5" 5.56 NATO Upper Receiver - Magpul 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 Chambered in 5.56 NATO Carbine Length Gas System .750...
    Now: $209.00
    Was: $299.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $209.00
    Was: $299.00
    Subtotal:
    Choose Options
  • Most Affordable 7.5" 5.56 NATO Upper Receiver with 7" Rail AR 15 Pistol Upper Receiver - Smith & Wesson Red
    Choose Options
    Quick view

    ALWAYS ARMED 7.5" 5.56 NATO UPPER RECEIVER - SMITH & WESSON RED

    Now: $209.00
    Was: $299.00
    Always Armed 7.5" 5.56 NATO Upper Receiver - Smith & Wesson Red 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...
    Now: $209.00
    Was: $299.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $209.00
    Was: $299.00
    Subtotal:
    Choose Options
  • Always Armed 10.5" 5.56 NATO Upper Receiver with 10" Rail AR15 Pistol Upper Receiver 556 - Burnt Bronze Cerakote
    Choose Options
    Quick view

    ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - BURNT BRONZE

    Now: $209.00
    Was: $299.00
    Always Armed 10.5" 5.56 NATO 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 System ...
    Now: $209.00
    Was: $299.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $209.00
    Was: $299.00
    Subtotal:
    Choose Options
  • M-LOK Compatible Upper Receiver | Best Upper For Outdoorsman Most Affordable and Reliable AR15 | 16" 1:7 Twist Barrel
    Choose Options
    Quick view

    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
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $219.00
    Was: $319.00
    Subtotal:
    Choose Options
  • ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH 12" M-LOK RAIL
    Choose Options
    Quick view

    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH 12" M-LOK RAIL, POP UP SIGHTS AND ANGLED FOREGRIP

    Now: $219.00
    Was: $329.00
    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 Nato Upper Receiver with Dust Cover and Forward Assist 16" 1:7 Twist 4150 Steel Barrel Chambered in 5.56 NATO Carbine...
    Now: $219.00
    Was: $329.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $219.00
    Was: $329.00
    Subtotal:
    Choose Options
  • Lightweight AR15 Upper Receiver with .750 Low Profile Gas Block and Carbine Gas Tube 16" Rifle Upper Receiver with M-LOK Rail - Ridgeway Blue Cerakote
    Choose Options
    Quick view

    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - RIDGEWAY BLUE

    Now: $219.00
    Was: $319.00
    Always Armed 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 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Carbine Length Gas System .750...
    Now: $219.00
    Was: $319.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $219.00
    Was: $319.00
    Subtotal:
    Choose Options
  • ALWAYS ARMED 16" 5.56 NATO TR UPPER RECEIVER - BLACK Shop this upper receiver as the perfect match for your next diy ar15 build
    Choose Options
    Quick view

    ALWAYS ARMED 16" 5.56 NATO TR UPPER RECEIVER - BLACK

    Now: $199.00
    Was: $269.00
    ALWAYS ARMED 16" 5.56 NATO TR 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...
    Now: $199.00
    Was: $269.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $199.00
    Was: $269.00
    Subtotal:
    Choose Options
  • Red Always Armed 10.5" 5.56 NATO Upper Receiver with Free Float Rail Mil Spec AR-15 Pistol Upper Receiver - Smith & Wesson Red
    Choose Options
    Quick view

    ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - SMITH & WESSON RED

    Now: $209.00
    Was: $299.00
    Always Armed 10.5" 5.56 NATO Upper Receiver - Smith & Wesson Red 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 in 5.56 NATO Carbine Length...
    Now: $209.00
    Was: $299.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $209.00
    Was: $299.00
    Subtotal:
    Choose Options
  • 1/2x28 1:7 Twist Chromoly Barrel | Black Nitride Most Accurate 556 NATO with A2 Flash Hider
    Choose Options
    Quick view

    ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - TITANIUM

    Now: $209.00
    Was: $299.00
    Always Armed 10.5" 5.56 NATO Upper Receiver - Titanium 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: $209.00
    Was: $299.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $209.00
    Was: $299.00
    Subtotal:
    Choose Options
  • Blue Always Armed 7.5" 1:7 556 NATO Upper Receiver AR 15 Pistol Upper Receiver with M-Lok Rail - Ridgeway Blue Cerakote
    Choose Options
    Quick view

    ALWAYS ARMED 7.5" 5.56 NATO UPPER RECEIVER - RIDGEWAY BLUE

    Now: $209.00
    Was: $299.00
    Always Armed 7.5" 5.56 NATO Upper Receiver - Ridgeway Blue 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
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $209.00
    Was: $299.00
    Subtotal:
    Choose Options
  • Pink 5.56 NATO Upper Receiver with MLOK Handguard Carbine Length Gas System | Free Float Rail
    Choose Options
    Quick view

    ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER - SIG PINK

    Now: $219.00
    Was: $299.00
    Always Armed 10.5" 5.56 NATO Upper Receiver - Sig Pink 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: $219.00
    Was: $299.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $219.00
    Was: $299.00
    Subtotal:
    Choose Options
  • Total: items /

Adding your products to cart

View Cart Continue Shopping