The Sons Of Liberty Gun Work M4-89 11.5" 5.56 URG is a testament to precision engineering and robust design. Featuring a combat-grade barrel and a QPQ corrosion-resistant finish, this upper receiver group is crafted for reliability and performance. Its MLOK handguard and A2 flash hider enhance functionality, making it an ideal choice for range time and training sessions. Sons Of Liberty Gun Work is renowned for their innovation and commitment to quality.

Key Features:
- Manufacturer: Sons Of Liberty Gun Work
- Model: M4-89
- Caliber: 5.56 NATO
- Condition: New
- Action: Semi-Automatic
- Finish Color: Black
- Barrel Length: 11.5"
- Number of Magazines: N/A
- Capacity: N/A
- Optic Footprint: N/A
- Unique Features: MLOK Handguard, A2 Flash Hider
- Night Sights: No
- External Safety: No
- Threaded Barrel: Yes
- What's In The Box: Upper Receiver Only
- Weight: 3.5 lbs
- Length: 30.25"
- Width: 3.25"