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 hard coat anodized.
The 16” straight fluted .223 Wylde barrel is the perfect marriage of design and precision! The Wylde stainless steel barrel fires 5.56 or .223 ammo. This heavy barrel is made from the highest quality 416 R Match Grade Stainless Steel for shine and durability! This barrel has a 1:8 twist rate, carbine gas system and head spaced twice from the US manufacturer.
Barrel: 16” .223 Wylde Melonite Barrel Chrome Moly
Twist Rate: 1:8
Feed Ramps: M4
Gas Block: Steel .750 Low Profile
Gas Tube: DGI Stainless Carbine-Length
Muzzle Device: Steel A2 Style Flash Hider
Rail: 13″ CBC Arms Gen ll Free Float Keymod
Upper Receiver: Forged Upper Receiver
Upper Components: Mil-Spec Forward Assist, Mil-Spec Dust Cover, and Brass Deflector
Failure to observe safe firearm handling practices may result in serious bodily injury or death. CBC Industries shall not be responsible for injury, death, or property damage resulting from faulty installation, misuse, illegal use, or modification of this product. Additionally, it is highly recommended that the firearm (as with all new firearms) is thoroughly inspected, cleaned and oiled prior to use.
Product Details: AR-15 Upper Assembly – 16″ / .223 | 5.56 / 1:8 / Stainless Steel / Straight Cut / 13″ CBC Arms Gen 2 Keymod AR-15 Handguard / Rail
➲ 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.
➲ 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
➲ A2 Flash Hider
Is machined from quality steel and finished with a corrosion resistant 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!