300 Blackout Uppers
Enhance your AR-15 with premium 300 Blackout upper receivers from Always Armed. Designed for superior performance in rifle and pistol builds, our 300BLK uppers are ideal for subsonic and suppressed shooting. Choose from a variety of Cerakote finishes, barrel lengths, and configurations to match your tactical or custom build. Easy to install, reliable, and ready for the range or field.
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ALWAYS ARMED 6" .300 BLACKOUT FLASH CAN UPPER RECEIVER - FDE
Now: $229.00Was: $339.00ALWAYS ARMED 6" .300 BLACKOUT FLASH CAN UPPER RECEIVER - FDE Finished in FDE Cerakote Milspec 7075-T6 Upper Receiver 6" Black Nitride Barrel 1:7 Twist Rate 5/8x24 TPI Thread Pitch Chambered...Now: $229.00Was: $339.00 -
ALWAYS ARMED OCTO SERIES 16" .300 BLACKOUT UPPER RECEIVER WITH 12" RAIL - BLACK
Now: $199.00Was: $269.00ALWAYS ARMED OCTO SERIES 16" .300 BLACKOUT UPPER RECEIVER WITH 12" RAIL - BLACK Hard Coat Black Anodized Mil-Spec AR15 7075 T6 Upper Receiver with Dust Cover and Forward Assist Pistol Length Gas...Now: $199.00Was: $269.00 -
Always Armed 5" .300 Blackout Octo IHS Upper Receiver
$219.00 - $239.00Always Armed 5" .300 Octo IHS Upper Receiver Chambered in .300 Blackout 4150 salt bath nitride barrel 5/8x24 TPI thread pitch 1:5 twist rate Micro length gas system Mil-Spec upper...$219.00 - $239.00 -
ALWAYS ARMED OCTO SERIES 16" .300 BLACKOUT UPPER RECEIVER - RIDGEWAY BLUE
Now: $219.00Was: $319.00ALWAYS ARMED OCTO SERIES 16" .300 BLACKOUT UPPER RECEIVER - RIDGEWAY BLUE Made in the USA Ridgeway Blue Cerakote Finish Mil-Spec AR15 7075 T6 Upper Receiver with Dust Cover and Forward Assist 15"...Now: $219.00Was: $319.00 -
ALWAYS ARMED 16" .300 BLACKOUT TR UPPER RECEIVER - BLACK
Now: $199.00Was: $269.00ALWAYS ARMED 16" .300 BLACKOUT TR UPPER RECEIVER Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" 1:8 Twist 4150 Barrel with Black Nitride...Now: $199.00Was: $269.00 -
ALWAYS ARMED OCTO SERIES 7.5" .300 BLACKOUT UPPER RECEIVER - BLACK
Now: $189.00Was: $289.00ALWAYS ARMED OCTO SERIES 7.5" .300 BLACKOUT UPPER RECEIVER - BLACK Mil-Spec AR15 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7" Free Float M-LOK OCTO Series Rail 7.5" 1:8 Twist Barrel...Now: $189.00Was: $289.00 -
ALWAYS ARMED 6" .300 BLACKOUT FLASH CAN UPPER RECEIVER - BLACK
Now: $209.00Was: $319.00ALWAYS ARMED 6" .300 BLACKOUT FLASH CAN UPPER RECEIVER - BLACK Hard Coat Black Anodized Finish Milspec 7075-T6 Upper Receiver 6" Black Nitride Barrel 1:7 Twist Rate 5/8x24 TPI Thread...Now: $209.00Was: $319.00 -
ALWAYS ARMED 16" .300 Upper Receiver - OD Green
Now: $219.00Was: $319.00ALWAYS ARMED 16" .300 Upper Receiver - Magpul OD Green Made in the USA 16" 4150 Barrel Chambered in .300 Blackout 15" Free Floating MLOK Rail Finished in Magpul OD Green Cerakote Pistol...Now: $219.00Was: $319.00 -
Out of stock
ALWAYS ARMED 7.5" 300 BLACKOUT OCTO SERIES UPPER RECEIVER - MAGPUL FDE
Now: $209.00Was: $309.00Always Armed 7.5" 300 Blackout OCTO Series Upper Receiver - Magpul FDE Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7.5" 1:8 Twist 4150 Barrel with Black...Now: $209.00Was: $309.00 -
ALWAYS ARMED JESTER 16" .300 BLACKOUT UPPER RECEIVER - BLACK
Now: $199.00Was: $299.00ALWAYS ARMED JESTER 16" .300 BLACKOUT UPPER RECEIVERNow: $199.00Was: $299.00 -
ALWAYS ARMED OCTO SERIES 7.5" .300 BLACKOUT UPPER RECEIVER - TITANIUM
Now: $209.00Was: $299.00ALWAYS ARMED OCTO SERIES 7.5" .300 BLACKOUT UPPER RECEIVER - TITANIUM Mil-Spec AR15 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7" Free Float M-LOK OCTO Series Rail 7.5" 1:8 Twist...Now: $209.00Was: $299.00 -
ALWAYS ARMED 16" .300 BLACKOUT UPPER RECEIVER - TUNGSTEN GRAY
Now: $219.00Was: $319.00ALWAYS ARMED 16" .300 BLACKOUT UPPER RECEIVER - TUNGSTEN GRAY Made in the USANow: $219.00Was: $319.00 -
ALWAYS ARMED 7.5" 300 BLACKOUT TR SERIES UPPER RECEIVER - BURNT BRONZE
Now: $209.00Was: $309.00Always Armed 7.5" 300 Blackout TR Series Upper Receiver - Burnt Bronze Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7.5" 1:8 Twist 4150 Barrel with Black...Now: $209.00Was: $309.00 -
ALWAYS ARMED 7.5" 300 BLACKOUT OCTO SERIES UPPER RECEIVER - BURNT BRONZE
Now: $209.00Was: $309.00Always Armed 7.5" 300 Blackout Octo Series Upper Receiver - Burnt Bronze Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7.5" 1:8 Twist 4150 Barrel with Black...Now: $209.00Was: $309.00 -
ALWAYS ARMED 10.5" 300 BLACKOUT UPPER RECEIVER - BLACK ANODIZED
Now: $189.00Was: $279.00Always Armed 10.5" 300 Blackout Upper Receiver - Black Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 10.5" 1:8 Twist 4150 Barrel with Black Nitride...Now: $189.00Was: $279.00 -
ALWAYS ARMED OCTO SERIES 7.5" .300 BLACKOUT UPPER RECEIVER - SIG PINK
Now: $209.00Was: $309.00ALWAYS ARMED OCTO SERIES 7.5" .300 BLACKOUT UPPER RECEIVER - SIG PINK Mil-Spec AR15 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7" Free Float M-LOK OCTO Series Rail 7.5" 1:8 Twist...Now: $209.00Was: $309.00 -
ALWAYS ARMED OCTO SERIES 7.5" .300 BLACKOUT UPPER RECEIVER - SMITH & WESSON RED
Now: $209.00Was: $309.00ALWAYS ARMED OCTO SERIES 7.5" .300 BLACKOUT UPPER RECEIVER - SMITH & WESSON RED Mil-Spec AR15 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7" Free Float M-LOK OCTO Series Rail 7.5"...Now: $209.00Was: $309.00 -
ALWAYS ARMED 7.5" 300 BLACKOUT UPPER RECEIVER - BURNT BRONZE
Now: $199.00Was: $299.00Engineered for ultra-compact portability and reliable sub-sonic or super-sonic cycling, theNow: $199.00Was: $299.00 -
ALWAYS ARMED OCTO SERIES 16" .300 BLACKOUT UPPER RECEIVER - SMITH & WESSON RED
Now: $219.00Was: $319.00ALWAYS ARMED OCTO SERIES 16" .300 BLACKOUT UPPER RECEIVER - SMITH & WESSON RED Made in the USA Mil-Spec AR15 7075 T6 Upper Receiver with Dust Cover and Forward Assist 15" Free Float M-LOK OCTO...Now: $219.00Was: $319.00 -
ALWAYS ARMED JESTER 16" .300 BLACKOUT UPPER RECEIVER - BURNT BRONZE
Now: $219.00Was: $319.00ALWAYS ARMED JESTER 16" .300 BLACKOUT UPPER RECEIVER - BURNT BRONZE Made in the USANow: $219.00Was: $319.00