- Upper Receiver: A3 Flat-Top
- Barrel Length: 10.5"
- Barrel Contour: Medium
- Barrel Material: 4150 Chrome Moly Vanadium, Hammer Forged
- Muzzle Thread Pattern: 1/2"-28
- Chrome Lined: Yes, Double Thickness
- Barrel Finish: Mil-Spec Heavy Phosphate
- Twist Rate: 1 in 7"
- Chamber: 5.56x45mm NATO
- M4 Feed Ramps: Yes
- Muzzle Device: Noveske KX3 Flash Hider
- Gas System Length: Carbine
- Gas Block Diameter: 0.750"
- Handguard: 2-Piece Polymer M4-Style
- Sights: Mil-Spec F-Marked Front, No Rear
- Bolt Carrier Assembly Included: Yes
- Bolt Carrier Type: Mil-Spec
- Extras: BCM Gunfighter Charging Handle (Noveske Marked)
- Weight: 4 lbs
Note: All Noveske 5.56mm uppers are test fired with Black Hills ammunition at their facility before shipment.
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.
Please Note: 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.