5.56mm Uppers
Discover high-performance 5.56 NATO complete AR-15 upper receivers at Always Armed. Our USA-made uppers deliver accuracy, durability, and custom Cerakote finishes for both rifle and pistol builds. Whether you need a compact 7.5″ or 10.5″ upper for an AR pistol/SBR or a full 16″ upper for a carbine, every assembly is built on a mil-spec 7075-T6 forged receiver.
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Always Armed 5" 5.56 NATO Octo IHS Upper Receiver
$199.00 - $219.00Always 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...$199.00 - $219.00 -
Out of stock
ALWAYS ARMED 10.5" 5.56 NATO BR SERIES UPPER RECEIVER
Now: $189.00Was: $289.00Always Armed 10.5" 5.56 NATO BR Series 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...Now: $189.00Was: $289.00 -
ALWAYS ARMED 16" 5.56 NATO SKELETON SERIES UPPER RECEIVER
$199.00 - $219.00Always Armed 16" 5.56 NATO Skeleton Series 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...$199.00 - $219.00 -
ALWAYS ARMED 16" 5.56 NATO ZRO SERIES UPPER RECEIVER
$199.00 - $219.00Always Armed 16" 5.56 NATO ZRO Series 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...$199.00 - $219.00 -
Always Armed Gen 1 16" 5.56 Upper Receiver Without Forward Assist
Now: $209.00Was: $319.00Streamline your full-length rifle build with the Always Armed Gen 1 16" 5.56 Upper Receiver Without Forward Assist. Built for shooters who prefer a smooth, snag-free profile, this complete upper...Now: $209.00Was: $319.00 -
ALWAYS ARMED 10.5" 5.56 NATO JESTER UPPER RECEIVER
$189.00 - $209.00Always Armed 10.5" 5.56 NATO Jester 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...$189.00 - $209.00 -
BLEM ALWAYS ARMED OCT2 SERIES 16" 5.56 NATO UPPER RECEIVER - BLACK
Now: $189.00Was: $269.00BLEMISHED ALWAYS ARMED OCT2 SERIES 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...Now: $189.00Was: $269.00 -
Aero Precision 16" 5.56 NATO Upper Receiver - FDE
$534.99Aero Precision 16" 5.56 NATO Upper Receiver - FDE M4E1 Threaded Assembled Upper Receiver ATLAS S-ONE M-LOK Handguard of choice 16" 5.56 CMV Barrel Low Profile Gas Block and Mid-Length Gas Tube$534.99 -
ALWAYS ARMED 10.5" 5.56 NATO GEN 1 UPPER RECEIVER
$189.00 - $209.00Always Armed 10.5" 5.56 NATO Gen 1 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...$189.00 - $209.00 -
ALWAYS ARMED 10.5" 5.56 NATO STAINLESS STEEL GEN 1 UPPER RECEIVER
$189.00 - $209.00Always Armed 10.5" 5.56 NATO Stainless Steel Gen 1 Upper Receiver Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 10.5" 1:7 Twist 416R Stainless Steel...$189.00 - $209.00 -
ALWAYS ARMED 16" 5.56 NATO BR SERIES UPPER RECEIVER
$219.00 - $309.00ALWAYS ARMED 16" 5.56 NATO BR SERIES 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...$219.00 - $309.00 -
ALWAYS ARMED 16" 5.56 NATO DM SERIES UPPER RECEIVER
$199.00 - $219.00Always Armed 16" 5.56 NATO DM Series 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...$199.00 - $219.00 -
ALWAYS ARMED 16" 5.56 NATO Jester Series Upper Receiver
$219.00 - $239.00ALWAYS ARMED 16" 5.56 NATO Jester Series Upper Receiver Made in the USA 16" 4150 Barrel Chambered in 5.56 NATO 15" Jester Rail Free Floating MLOK Quad Rail Carbine Length Gas System .750 Ga...$219.00 - $239.00 -
ALWAYS ARMED 16" 5.56 NATO MR SERIES UPPER RECEIVER
$199.00 - $219.00Always Armed 16" 5.56 NATO MR Series 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...$199.00 - $219.00 -
ALWAYS ARMED 16" 5.56 NATO Q SERIES UPPER RECEIVER
$219.00 - $239.00Always Armed 16" 5.56 NATO Q Series 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...$219.00 - $239.00 -
ALWAYS ARMED 16" 5.56 NATO QUAD RAIL UPPER RECEIVER
$209.00 - $229.00Always Armed 16" 5.56 NATO Quad Rail Upper Receiver Made in the USA 16" 4150 Black Nitride Barrel 1:7 Twist Rate Chambered in 5.56 NATO 15" Quad Rail Free Floating MLOK Quad Rail Hard Coat Black...$209.00 - $229.00 -
ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER WITH 12" RAIL, SIGHTS, AND AFG - BLACK
Now: $359.00Was: $369.00ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER WITH 12" RAIL, SIGHTS, AND AFG - BLACK Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" 1:7 Twist...Now: $359.00Was: $369.00 -
ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER WITH 12" RAIL, SIGHTS, AND BI-POD - BLACK
Now: $219.00Was: $369.00ALWAYS ARMED 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER WITH 12" RAIL, SIGHTS, AND BI-POD - BLACK Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" 1:7...Now: $219.00Was: $369.00 -
ALWAYS ARMED 16" 5.56 NATO TR SERIES UPPER RECEIVER
$199.00 - $209.00ALWAYS ARMED 16" 5.56 NATO TR SERIES 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...$199.00 - $209.00 -
Always Armed 16" 5.56 NATO TRX Series Upper Receiver
Now: $219.00Was: $329.00Always Armed 16" 5.56 NATO TRX Series 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...Now: $219.00Was: $329.00