Aero Precision's 5.56 Assembled Upper 16'' M4 BBL with MOE SL Carbine Handguard Black showcases exceptional design and engineering. This upper receiver is crafted for seamless integration with AR-15 platforms, featuring a 16-inch 5.56 NATO barrel with a pinned front sight base and a carbine-length gas system. Ideal for range sessions, training, and competitive shooting, this upper offers reliability and ease of use. Aero Precision is renowned for its innovation and quality in firearm components.

Key Features:
- Manufacturer: Aero Precision
- Model: 5.56 Assembled Upper
- Caliber: 5.56 NATO
- Condition: New
- Action: Semi-Auto
- Finish Color: Black
- Barrel Length: 16.00"
- Number of Magazines: N/A
- Capacity: N/A
- Optic Footprint: N/A
- Unique Features: Pinned FSB, MOE SL Handguard
- Night Sights: No
- External Safety: No
- Threaded Barrel: No
- What's In The Box: Upper Receiver Only
- Weight: 4.319 lbs
- Length: N/A
- Width: N/A