Introducing the Geissele Automatics AR-15 10.3 Super Duty Nano Complete Upper Receiver. Engineered with precision, this upper receiver features a 10.3" cold hammer-forged barrel, anodized finish, and a Surefire Closed-Tine Flash Hider. Designed for reliability and ease of use, it includes a Nanoweapon-coated Reliability Enhanced Bolt Carrier Group and an ambidextrous Airborne Charging Handle.

Ideal for range time and training, the Geissele Super Duty Upper Receiver offers unmatched performance with its carbine-length gas system and Super Modular Rail MK16. Geissele Automatics is renowned for its innovation and high-quality AR-15 components.

Key Features:
- Manufacturer: Geissele Automatics
- Model: AR-15 10.3 Super Duty Nano
- Caliber: 5.56MM
- Condition: New
- Action: Semi-Automatic
- Finish Color: Black
- Barrel Length: 10.3"
- Number of Magazines: Not Included
- Capacity: Not Applicable
- Optic Footprint: Not Included
- Unique Features: Nanoweapon-coated BCG, Airborne Charging Handle
- Night Sights: No
- External Safety: No
- Threaded Barrel: No
- What's In The Box: Upper Receiver Only
- Weight: 3 lbs 7 oz
- Length: 19.5"
- Width: Not Specified