This AR-15 upper assembly is made from the highest quality parts and the rails are engineered and manufactured in Germany with the remaining components being made within the United States. The 15″ CBC Arms Keymod design features Picatinny at the 12 o’clock position with Keymod slots at the 3, 6, and 9 o’clock positions to mount your favorite accessories.
Mil-Spec Anodized Receiver
Pistol Length Gas Tube Assembly
16″ 300 AAC Blackout Barrel
4150 Chrome Moly Steel Nitride Coated Barrel
Standard Flash Hider
Twist Rate: 1:8
15″ CBC Arms Keymod Handguard/Rail
*Does Not Include Bolt Carrier Group & Charging Handle*
Product Details: AR-15 Upper Assembly – 16″ / 300 AAC / 1:8 / 15″ CBC Arms 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.
➲ .750 Low Profile Gas Block
Constructed from 4150 hardened steel and features a secure dual-set screw mounting design
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!