THIS KIT IS EVERYTHING YOU NEED TO BUILD A MICRO AR PISTOL EXCEPT A STRIPPED LOWER.
The receiver is a flat top M4 Mil-Spec upper receiver are forged CNC Machined from 7075-T6 Aluminum, the hardest and most durable material of any upper. The MICRO 5” 5.56 NATO barrel is made from 4150 Chrome Moly steel, has 1:5 twist rate & MICRO gas system. The hanguard is a 4″ CBC M-LOK.
- Barrel: 5″ 5.56 NATO Barrel Chrome Moly
- Twist Rate: 1:5
- Feed Ramps: M4
- BCG: Case Hardened 8620 Steel Nitride Coated, M4/AR-15 Compatible, Mil-Spec/MP Tested
- Gas Block: Steel .750 Low Profile
- Gas Tube: DGI Stainless Micro-Length
- Muzzle Device: Thread Protector
- Rail: 4″ M-LOK Rail
- Upper Receiver: Forged Upper Receiver
- Upper Components: Mil-Spec Forward Assist, Mil-Spec Dust Cover, and Brass Deflector
- Pistol receiver extension
- Standard 3 oz carbine buffer
- Carbine spring
- Castle nut
- End plate
- Comfortable foam cheek pad
- Complete AR-15 Lower Parts Kit ready for installation in your lower receiver
Please Note: An “AR-15 Pistol” upper assembly 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!