Sons Of Liberty Gun Works presents the M4-L89 5.56X45 NATO, a meticulously engineered upper receiver designed for precision and reliability. Featuring a 14.5'' barrel and 13.75'' L89 rail, this model offers superior handling and ease of use, making it ideal for range time and training sessions. Sons Of Liberty Gun Works is renowned for innovation and quality.

Key Features:
- Manufacturer: Sons Of Liberty Gun Works
- Model: M4-L89
- Caliber: 5.56X45 NATO
- Condition: New
- Action: Semi-Automatic
- Finish Color: Black
- Barrel Length: 14.5''
- Number of Magazines: N/A
- Capacity: N/A
- Optic Footprint: N/A
- Unique Features: Cold Hammer Forged Barrel
- Night Sights: No
- External Safety: No
- Threaded Barrel: Yes
- What's In The Box: Upper Receiver
- Weight: 4 lbs
- Length: 30 inches
- Width: 3 inches