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 10.5" 300 BLACKOUT UPPER RECEIVER - MAGPUL FDE
$299.00Always Armed 10.5" 300 Blackout Upper Receiver - Magpul FDE 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 Finish Chambered in .300 Blackout Pistol Length Gas...$299.00 -
ALWAYS ARMED 10.5" 300 BLACKOUT UPPER RECEIVER - RIDGEWAY BLUE
$299.00Always Armed 10.5" 300 Blackout Upper Receiver - Ridgeway Blue 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 Finish Chambered in .300 Blackout Pistol Length Gas...$299.00 -
ALWAYS ARMED 10.5" 300 BLACKOUT UPPER RECEIVER - SIG PINK
$299.00Always Armed 10.5" 300 Blackout Upper Receiver - Sig Pink 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 Finish Chambered in .300 Blackout Pistol Length Gas...$299.00 -
ALWAYS ARMED 10.5" 300 BLACKOUT UPPER RECEIVER - SMITH & WESSON RED
$299.00Always Armed 10.5" 300 Blackout Upper Receiver - Smith & Wesson Red 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 Finish Chambered in .300 Blackout Pistol...$299.00 -
ALWAYS ARMED 10.5" 300 BLACKOUT UPPER RECEIVER - TITANIUM
$299.00Always Armed 10.5" 300 Blackout Upper Receiver - Titanium 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 Finish Chambered in .300 Blackout Pistol Length Gas System ...$299.00 -
ALWAYS ARMED 10.5" 300 BLACKOUT UPPER RECEIVER WITH 9.25" RAIL, ADJUSTABLE GAS BLOCK AND ENHANCED SS MUZZLE DEVICE - BLACK ANODIZED
$309.99ALWAYS ARMED 10.5" 300 BLACKOUT UPPER RECEIVER WITH 9.25" RAIL, ADJUSTABLE GAS BLOCK AND ENHANCED SS MUZZLE DEVICE 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...$309.99Qty in Cart: 0Quantity:Price:$309.99Subtotal: -
ALWAYS ARMED 10.5" 300 BLACKOUT UPPER RECEIVER WITH STAINLESS STEEL BARREL
$309.00ALWAYS ARMED 10.5" 300 BLACKOUT UPPER RECEIVER WITH STAINLESS STEEL BARREL Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 10.5" 1:8 Twist 416R Stainless Steel Barrel Upper Receiver Chambered in .300...$309.00Qty in Cart: 0Quantity:Price:$309.00Subtotal: -
ALWAYS ARMED 16" .300 BLACKOUT BX SERIES STAINLESS STEEL UPPER RECEIVER WITH AXE BRAKE - TITANIUM
$349.00ALWAYS ARMED 16" .300 BLACKOUT BX SERIES STAINLESS STEEL UPPER RECEIVER Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" 1:8 Twist 416R Stainless Steel Barrel Chambered in .300 Blackout Pistol Length Gas...$349.00Qty in Cart: 0Quantity:Price:$349.00Subtotal: -
ALWAYS ARMED 16" .300 BLACKOUT BX SERIES UPPER RECEIVER - BLACK
$299.00ALWAYS ARMED 16" .300 BLACKOUT BX SERIES UPPER RECEIVER - BLACK 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 Finish Chambered in .300 Blackout Pistol Length Gas...$299.00 -
ALWAYS ARMED 16" .300 BLACKOUT BX SERIES UPPER RECEIVER - SMITH & WESSON RED
$319.00ALWAYS ARMED 16" .300 BLACKOUT BX SERIES UPPER RECEIVER - SMITH & WESSON RED 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 Finish Chambered in .300...$319.00 -
Always Armed 16" .300 Blackout TR Series Upper Receiver - Black
$299.00Always Armed 16" .300 Blackout TR Series Upper Receiver - Black Made in the USA 16" 4150 Barrel Chambered in .300 Blackout 1:8 Twist 15" TR Series Free Floating M-LOK Hand Guard Black Anodized Finish Pistol Length Gas System .750 Low Profile Gas Block...$299.00 -
ALWAYS ARMED 16" .300 BLACKOUT UPPER RECEIVER WITH 15" M-LOK QUAD RAIL
$329.00ALWAYS ARMED 16" .300 BLACKOUT UPPER RECEIVER WITH 15" M-LOK QUAD RAIL Made in the USA 16" 4150 Barrel Chambered in .300 Blackout 15" Free Floating MLOK Quad Rail Black Anodized Finish Pistol Length Gas System A2 Muzzle Device 1:8 Twist Rate BCG and...$329.00 -
Always Armed 16" .300 Blackout Upper Receiver with Stainless Steel Barrel, AXE Brake and 12" M-Lok Rail - Black Anodized
$349.00Always Armed 16" .300 Blackout Upper Receiver Black Anodized Finish Chambered in .300 Blackout 12" Aluminum M-LOK Hand Guard 16" 1:8 416R Stainless Steel Barrel Pistol Length Gas System Stainless Steel AXE Brake Mil-Spec 7075-T6 Upper Receiver$349.00Qty in Cart: 0Quantity:Price:$349.00Subtotal: -
ALWAYS ARMED 16" 300 BLACKOUT UPPER RECEIVER - BAZOOKA GREEN
$319.00Always Armed 16" 300 Blackout Upper Receiver - Bazooka Green 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 Finish Chambered in .300 Blackout Pistol Length Gas System...$319.00 -
ALWAYS ARMED 16" 300 BLACKOUT UPPER RECEIVER - BLACK
$269.00Always Armed 16" 300 Blackout Upper Receiver - Black 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 Finish Chambered in .300 Blackout Pistol Length Gas System ...$269.00 -
ALWAYS ARMED 16" 300 BLACKOUT UPPER RECEIVER - BURNT BRONZE
$319.00Always Armed 16" 300 Blackout Upper Receiver - Burnt Bronze Made in the USA Mil-Spec 7075 T6 16" Upper Receiver with Dust Cover and Forward Assist 16" 1:8 Twist 4150 Barrel with Black Nitride Finish Chambered in .300 Blackout Pistol Length Gas...$319.00 -
ALWAYS ARMED 16" 300 BLACKOUT UPPER RECEIVER - ENGRAVED
$319.00Always Armed 16" 300 Blackout Upper Receiver - Engraved 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 Finish Chambered in .300 Blackout Pistol Length Gas System .750...$319.00 -
ALWAYS ARMED 16" 300 BLACKOUT UPPER RECEIVER - MAGPUL FDE
Now: $219.00Was: $319.00Always Armed 16" 300 Blackout Upper Receiver - FDE 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 Finish Chambered in .300 Blackout Pistol Length Gas System .750 Low...Now: $219.00Was: $319.00 -
ALWAYS ARMED 16" 300 BLACKOUT UPPER RECEIVER - RIDGEWAY BLUE
$319.00Always Armed 16" 300 Blackout Upper Receiver - Ridgeway Blue 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 Finish Chambered in 300 Blackout Pistol Length Gas System ...$319.00 -
ALWAYS ARMED 16" 300 BLACKOUT UPPER RECEIVER - SIG PINK
$319.00Always Armed 16" 300 Blackout Upper Receiver - Sig Pink 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 Finish Chambered in .300 Blackout Pistol Length Gas System .750...$319.00