- Barrel: 7.5” 5.56 NATO Phosphate Barrel Chrome Moly or 7.5” 300 AAC Phosphate Barrel Chrome Moly
- Twist Rate: 1/7 (5.56 NATO) & 1/8 (300AAC)
- Feed Ramps: M4
- Gas Block: Steel .750 Low Profile
- Gas Tube: DGI Stainless Pistol-Length
- Muzzle Device: Steel A2 Style Flash Hider
- Rail: 7″ CBC Free Float M-Lok rail system come w/ 2 attachments for the rail for attachment accessories
- Upper Receiver: Forged Upper Receiver
- Upper Components: Mil-Spec Forward Assist, Mil-Spec Dust Cover, and Brass Deflector
- *Does not include Bolt Carrier Group & Charging Handle
Please Note: An “AR-15 Pistol” has a barrel less than 16” in length. Pistol uppers are only for use on AR-15 pistol lowers and legal Short-Barreled Rifles. Other configurations may violate Federal law. Installation of AR-15 upper assemblies with certain features including, but not limited to: flash hiders, bayonet lugs, and threaded muzzles may violate state and/or local laws.
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!