The Sons of Liberty Gun Works SOLGW M4L89UPPER13.7556XL L89 Upper 556 13.7 V2 showcases exceptional engineering and design quality. This complete upper receiver features a 13.7" pinned (16.5" OAL) button-rifled barrel, HUXWRX flash hider, and a low profile gas block, ensuring superior performance and ease of use.

Ideal for range time and training, this upper receiver is a testament to Sons of Liberty's reputation for innovation and reliability.

Key Features:
- Manufacturer: Sons of Liberty Gun Works
- Model: L89 V2
- Caliber: 5.56 NATO
- Barrel Length: 13.7" Pinned (16.5" OAL)
- Unique Features: HUXWRX Flash Hider, Low Profile Gas Block
- Threaded Barrel: Yes
- Weight: 4.1 lbs
- Length: 25.1 in
- Width: 3.6 in