This AR-15 upper assembly is made from the highest quality material found in the AR world! The upper is assembled in Charleston, SC with high-quality material, meticulous workmanship & incredible prices.
The flat top M4 Mil-Spec upper receiver are forged CNC Machined from 7075-T6 Aluminum, the hardest and most durable material of any upper! To ensure even more strength they are Mil-Spec Type 3 hard coat anodized.
This 16” 5.56 barrel is made from 4150 Chrome Moly steel! This upper has a 1:8 twist rate & carbine gas system This barrel is incredible accurate and durable, the strength comes from the 4150 CM steel and the Nitride coating!
The rail is a 12” CBC Keymod rail made from Airplane Aluminum and then hard coat anodized to improve the strength!
We assemble our uppers exclusively with Veterans of our Armed Services! These military men have an eye for detail, they scope port holes, torque to military specs & quality check each upper.
Product Details: AR-15 Upper Assembly – 16″ / .223 | 5.56 / 1:8 / 12″ CBC Arms Keymod AR-15 Handguard / Rail
➲ Carbine Gas Tube
The carbine gas tube is machined from stainless steel and measures roughly 7" from the barrel's gas port to the front face of the receiver
➲ .750 Low Profile Gas Block
Constructed from 4150 hardened steel and features a secure dual-set screw mounting design
➲ Upper Receiver
The foundation of all good AR\'s is built upon a dependable upper receiver. CBC upper receivers offer best-in-class quality while providing you years of dependable service. Boasting a MIL-SPEC type III hard coat anodized finish and machined from 7075-T6 forged aluminum, this M4 flat-top receiver delivers a lifetime of superior function. You want your AR built upon a solid platform - this receiver gives you the confidence that your AR-15 will function when it counts most.
➲ A2 Flash Hider
Is machined from quality steel and finished with a corrosion resistant nitride finish.
➲ Colt Competition Style Barrel
The barrel is machined from 4150 chrome moly vanadium steel with a nitride finish.
CBC provides a wide selections of AR-15 upper assemblies in a variety of styles and lengths - all partial AR-15 uppers are assembled with everything less the charging handle and bolt carrier group. Our partial upper assemblies offer quality and performance that will satisfy the most demanding shooter. Better yet, all CBC AR-15 uppers are custom built-to-order enabling us to provide you with the best prices you will find anywhere. The quality of our AR-15 uppers are backed by our Lifetime Warranty - if any CBC upper assembly becomes defective, we will repair or replace it at no charge. Get your AR-15 upper assembly at CBC today and save with free shipping!