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 16" 5.56 NATO RIFLE KIT - BLACK ANODIZED
Now: $349.00Was: $469.00Always Armed 16" 5.56 NATO Rifle Kit - Black Anodized 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: $349.00Was: $469.00 -
ALWAYS ARMED 7.5" 5.56 NATO PISTOL KIT - BLACK ANODIZED
Now: $339.00Was: $449.99Always Armed 7.5" 5.56 NATO Pistol Kit - Black Anodized Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7.5" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Pistol Length Gas System ...Now: $339.00Was: $449.99 -
ALWAYS ARMED 10.5" 5.56 NATO PISTOL KIT - BLACK ANODIZED
Now: $339.00Was: $449.00Always Armed 10.5" 5.56 NATO Pistol Kit - Black Anodized 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: $339.00Was: $449.00 -
ALWAYS ARMED 16" 5.56 NATO RIFLE KIT - BURNT BRONZE
Now: $379.00Was: $529.00Always Armed 16" 5.56 NATO Rifle Kit - Burnt Bronze 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...Now: $379.00Was: $529.00 -
ALWAYS ARMED 16" 5.56 NATO RIFLE KIT - TITANIUM
Now: $379.00Was: $529.00Always Armed 16" 5.56 NATO Rifle Kit - 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 System .750 Low...Now: $379.00Was: $529.00 -
ALWAYS ARMED 16" 5.56 NATO RIFLE KIT - MAGPUL FDE
Now: $379.00Was: $529.00Always Armed 16" 5.56 NATO Rifle Kit - Magpul 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 16" 5.56 NATO RIFLE KIT - RIDGEWAY BLUE
Now: $379.00Was: $529.00Always Armed 16" 5.56 NATO Rifle Kit - Ridgeway Blue 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 16" 5.56 NATO RIFLE KIT - SMITH & WESSON RED
Now: $379.00Was: $529.00Always Armed 16" 5.56 NATO Rifle Kit - Smith & Wesson Red 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: $379.00Was: $529.00 -
ALWAYS ARMED 7.5" 5.56 NATO PISTOL KIT - SMITH & WESSON RED
Now: $339.00Was: $499.00Always Armed 7.5" 5.56 Pistol Rifle Kit - Smith & Wesson Red Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7.5" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Pistol Length Gas...Now: $339.00Was: $499.00 -
ALWAYS ARMED 10.5" 5.56 NATO PISTOL KIT - MAGPUL FDE
Now: $359.00Was: $499.00Always Armed 10.5" 5.56 NATO Pistol Kit - Magpul 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 Chambered in 5.56 NATO Carbine Length Gas System .750 Low...Now: $359.00Was: $499.00 -
ALWAYS ARMED 7.5" 5.56 NATO PISTOL KIT - TITANIUM
Now: $339.00Was: $499.00Always Armed 7.5" 5.56 NATO Pistol Kit - Titanium Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7.5" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Pistol Length Gas System .750...Now: $339.00Was: $499.00 -
ALWAYS ARMED 16" 5.56 NATO RIFLE KIT - BAZOOKA GREEN
Now: $379.00Was: $529.00Always Armed 16" 5.56 NATO Rifle Kit - Bazooka Green 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 16" 5.56 NATO RIFLE KIT - SIG PINK
Now: $379.00Was: $529.00Always Armed 16" 5.56 NATO Rifle Kit - Sig Pink 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 10.5" 5.56 NATO PISTOL KIT - BURNT BRONZE
Now: $339.00Was: $499.00Always Armed 10.5" 5.56 NATO Pistol Kit - 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 Length Gas System .750...Now: $339.00Was: $499.00 -
ALWAYS ARMED 7.5" 5.56 NATO PISTOL KIT - BURNT BRONZE
Now: $359.00Was: $499.00Always Armed 7.5" 5.56 NATO Pistol Kit - Burnt Bronze Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7.5" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Pistol Length Gas System .750 Low...Now: $359.00Was: $499.00 -
ALWAYS ARMED OCTO SERIES 16" 5.56 NATO RIFLE KIT - BLACK
Now: $349.00Was: $469.99ALWAYS 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: $349.00Was: $469.99 -
ALWAYS ARMED 7.5" 5.56 NATO PISTOL KIT - MAGPUL FDE
Now: $359.00Was: $499.00Always Armed 7.5" 5.56 NATO Pistol Kit - Magpul FDE Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7.5" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Pistol Length Gas System .750 Low...Now: $359.00Was: $499.00 -
ALWAYS ARMED 7.5" 5.56 NATO PISTOL KIT - RIDGEWAY BLUE
Now: $359.00Was: $499.00Always Armed 7.5" 5.56 NATO Pistol Kit - Ridgeway Blue Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7.5" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Pistol Length Gas System .750 Low...Now: $359.00Was: $499.00 -
ALWAYS ARMED 10.5" 5.56 NATO PISTOL KIT - SIG PINK
Now: $359.00Was: $499.00Always Armed 10.5" 5.56 NATO Pistol Kit - Sig Pink 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 Low...Now: $359.00Was: $499.00 -
ALWAYS ARMED 10.5" 5.56 NATO PISTOL KIT - TITANIUM
Now: $359.00Was: $499.00Always Armed 10.5" 5.56 NATO Pistol Kit - Titanium 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 Low...Now: $359.00Was: $499.00