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
  • ALWAYS ARMED 10.5" 5.56 NATO FLASH CAN UPPER RECEIVER - BURNT BRONZE Burnt Bronze | AR15 Pistol Upper Receiver | 5.56 NATO
    Choose Options
    Quick view

    ALWAYS ARMED 10.5" 5.56 NATO FLASH CAN UPPER RECEIVER - BURNT BRONZE

    Now: $229.00
    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: $229.00
    Was: $319.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $229.00
    Was: $319.00
    Subtotal:
    Choose Options
  • Always Armed 16" 5.56 Front Sight Upper - Black
    Choose Options
    Quick view

    Always Armed 16" 5.56 Front Sight Upper - Black

    Now: $179.00
    Was: $299.00
    Always Armed 16" 5.56 Front Sight Upper - Black Made in the USA Mil-Spec 7075 T6 5.56 Nato Upper Receiver with Dust Cover and Forward Assist  16" 1:8 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Carbine Length...
    Now: $179.00
    Was: $299.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $179.00
    Was: $299.00
    Subtotal:
    Choose Options
  • ALWAYS ARMED 16" 5.56 NATO Upper Receiver with 15" M-LOK Quad Rail AR15 Rifle Upper Receiver
    Quick view

    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...
    Now: $209.00
    Was: $329.00
    Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $209.00
    Was: $329.00
    Subtotal:
  • Always Armed Jester 10.5" Upper Receiver 10.5" 1:7 Twist 5.56 Nato Barrel
    Choose Options
    Quick view

    ALWAYS ARMED Jester 10.5" 5.56 NATO UPPER RECEIVER - BLACK

    Now: $189.00
    Was: $249.00
    ALWAYS ARMED JESTER 16" 5.56 NATO UPPER RECEIVER Made in the USA Mil-Spec 7075 T6 5.56 Nato 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: $189.00
    Was: $249.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $189.00
    Was: $249.00
    Subtotal:
    Choose Options
  • AR15 Rifle Upper Receiver | Chambered in 5.56 NATO
    Choose Options
    Quick view

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

    Now: $219.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO BX SERIES UPPER RECEIVER - SMITH & WESSON RED Made in the USA Mil-Spec 7075 T6 BX Series Upper Receiver with Dust Cover and Forward Assist 16" 1:7  Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO...
    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 15" M-LOK QUAD RAIL - BURNT BRONZE Burnt Bronze Cerakoted Mil-Spec AR-15 Upper Receiver with 1:7 Twist Barrel
    Choose Options
    Quick view

    ALWAYS ARMED 16" 5.56 NATO Quad Rail Upper Receiver - Burnt Bronze

    Now: $219.00
    Was: $299.00
    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH 15" M-LOK QUAD RAIL - BURNT BRONZE Made in the USA 16" 4150 Barrel Chambered in 5.56 NATO 15" Free Floating MLOK Quad Rail Burnt Bronze Cerakote Finish Carbine Length Gas System A2 Muzzle Device 1:7 Twist...
    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
  • ALWAYS ARMED 10.5" BLACK 5.56 UPPER WITH 10" FDE TR SERIES HANDRAIL
    Choose Options
    Quick view

    ALWAYS ARMED 10.5" BLACK 5.56 UPPER WITH 10" FDE TR SERIES HANDRAIL

    Now: $199.00
    Was: $269.00
    ALWAYS ARMED 10.5" BLACK 5.56 UPPER WITH 10" FDE TR SERIES HANDRAIL Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist with Hard Coat Black Anodized Finish 10.5" 1:7 Twist 4150 Barrel with Black Nitride Finish 10" Free...
    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
  • 16" AR 15 Mil Spec Upper Receiver | 5.56/.223
    Choose Options
    Quick view

    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
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $219.00
    Was: $319.00
    Subtotal:
    Choose Options
  • Chambered in 5.56 NATO ALWAYS ARMED 7.5" 5.56 NATO UPPER RECEIVER - BLACK ANODIZED
    Quick view

    ALWAYS ARMED 7.5" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - BLACK ANODIZED

    Now: $179.00
    Was: $279.00
    ALWAYS ARMED 7.5" 5.56 NATO STAINLESS STEEL 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 Length...
    Now: $179.00
    Was: $279.00
    Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $179.00
    Was: $279.00
    Subtotal:
  • 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 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
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $209.00
    Was: $299.00
    Subtotal:
    Choose Options
  • Magpul Flat Dark Earth Pistol Upper Receiver | 5.56 NATO Always Armed 7.5" Flash Can Upper Receiver | M-LOK
    Quick view

    ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER - FDE

    Now: $229.00
    Was: $319.00
    ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER - FDE Made in the USA Mil-Spec 7075 T6 5.56 Nato Flash Can Upper Receiver with Dust Cover and Forward Assist 7.5" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO...
    Now: $229.00
    Was: $319.00
    Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $229.00
    Was: $319.00
    Subtotal:
  • Magpul Olive Drab Green AR-15 Pistol Flash Can Upper Receiver Grid Defense 10.5" 5.56 NATO Upper Receiver in OD Green Cerakote
    Choose Options
    Quick view

    Grid Defense 10.5" 5.56 Flash Can Upper Receiver - OD Green

    Now: $329.00
    Was: $399.00
    Grid Defense 10.5" 5.56 Flash Can Upper Receiver Finished in OD Green Cerakote Made in the USA 7075-T6 Mil-Spec Upper Receiver 10.5" 1:7 Twist 4150 M4 Profile Barrel - Black Nitride Chambered in 5.56x45 NATO Carbine Length Gas System .750 Low Profile...
    Now: $329.00
    Was: $399.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $329.00
    Was: $399.00
    Subtotal:
    Choose Options
  • ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER WITH 12" MLOK RAIL
    Choose Options
    Quick view

    ALWAYS ARMED 10.5" 5.56 NATO UPPER RECEIVER WITH 12" MLOK RAIL & TEQUILA SUNRISE FLASH CAN - BLACK

    Now: $259.00
    Was: $299.00
    ALWAYS ARMED 10.5" 5.56 NATO FLAHS CAN UPPER RECEIVER 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: $259.00
    Was: $299.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $259.00
    Was: $299.00
    Subtotal:
    Choose Options
  • ALWAYS ARMED 16" 5.56 NATO BX SERIES UPPER RECEIVER ALWAYS ARMED 16" 5.56 NATO BX SERIES UPPER RECEIVER - BLACK
    Choose Options
    Quick view

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

    Now: $199.00
    Was: $269.00
    ALWAYS ARMED 16" 5.56 NATO BX SERIES 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...
    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
  • Rose Gold AR15 Rifle Length Upper Receiver
    Choose Options
    Quick view

    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - PINK CHAMPAGNE

    Now: $199.00
    Was: $319.00
    ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER - PINK CHAMPAGNE 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...
    Now: $199.00
    Was: $319.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $199.00
    Was: $319.00
    Subtotal:
    Choose Options
  • 5.56 NATO Upper Receiver with 12" M-Lok Hand Guard
    Choose Options
    Quick view

    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
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $229.00
    Was: $319.00
    Subtotal:
    Choose Options
  • ALWAYS ARMED OCTO SERIES 10.5" 5.56 UPPER RECEIVER - FDE best 10.5" 5.56 Upper receiver for any ar15 build
    Quick view

    ALWAYS ARMED OCTO SERIES 10.5" 5.56 UPPER RECEIVER - FDE

    Now: $209.00
    Was: $299.00
    ALWAYS ARMED OCTO SERIES 10.5" 5.56 UPPER RECEIVER - FDE Made in the USA Magpul FDE Cerakote Finish Mil-Spec AR15 7075 T6 Upper Receiver with Dust Cover and Forward Assist 9.25" Free Float M-LOK OCTO Series Rail 10.5" 1:7 Twist Barrel with Black Nitride...
    Now: $209.00
    Was: $299.00
    Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $209.00
    Was: $299.00
    Subtotal:
  • 12" tr series free float m-lok handguard 10.5" 1:7 twist barrel
    Choose Options
    Quick view

    ALWAYS ARMED TR SERIES 10.5" 5.56 NATO FLASH CAN UPPER RECEIVER - BURNT BRONZE

    Now: $229.00
    Was: $319.00
    ALWAYS ARMED TR SERIES 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: $229.00
    Was: $319.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $229.00
    Was: $319.00
    Subtotal:
    Choose Options
  • ALWAYS ARMED TR SERIES 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - MAGPUL FDE Stainless Steel Barrel and Stainless Steel A2 Flash Hider
    Choose Options
    Quick view

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

    Now: $219.00
    Was: $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...
    Now: $219.00
    Was: $349.00
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $219.00
    Was: $349.00
    Subtotal:
    Choose Options
  • ALWAYS ARMED UPPER RECEIVER
    Add to Cart
    Quick view

    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
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $199.00
    Was: $269.00
    Subtotal:
    Add to Cart
  • Total: items /

Adding your products to cart

View Cart Continue Shopping