Sons Of Liberty Gun Works presents the M4-89 5.56X45 NATO, a meticulously engineered upper receiver designed for exceptional performance. Featuring a 12.5'' barrel and an 11.5'' M89 rail, this model is crafted for precision and reliability, making it ideal for a variety of shooting applications. The anodized finish ensures durability, while the A2 flash hider enhances muzzle control.

Perfect for range time and competitive shooting, the M4-89 offers versatility and ease of use. Sons Of Liberty Gun Works is renowned for its innovation and commitment to quality, making this upper receiver a top choice for enthusiasts.

Key Features:
- Manufacturer: Sons Of Liberty Gun Works
- Model: M4-89
- Caliber: 5.56X45 NATO
- Barrel Length: 12.5"
- Finish Color: Anodized
- Unique Features: A2 Flash Hider, M89 Rail
- What's In The Box: Upper Receiver