5.56mm Build Kits
Build your own AR-15 with our complete 5.56 build kits, designed for both rifles and pistols. Each kit includes high-quality 5.56 NATO upper and lower components, perfect for custom or first-time builds. Choose from Cerakote finishes and reliable parts to create your ideal AR-15 setup with ease.
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ALWAYS ARMED JESTER 16" 5.56 NATO RIFLE KIT - FDE
Now: $379.00Was: $529.00Always Armed Jester 16" 5.56 NATO Rifle Kit - FDE 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: $379.00Was: $529.00 -
ALWAYS ARMED OCT2 SERIES 16" 5.56 NATO RIFLE KIT - BLACK
Now: $359.00Was: $469.00ALWAYS ARMED OCT2 SERIES 16" 5.56 NATO RIFLE KIT 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: $359.00Was: $469.00 -
ALWAYS ARMED OCTO SERIES 16" 5.56 NATO RIFLE KIT - BLACK
Now: $359.00Was: $469.00ALWAYS ARMED OCTO SERIES 16" 5.56 NATO RIFLE KIT 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: $359.00Was: $469.00