Sons of Liberty Gun Works M4-L89 Upper Receiver Group is a upper-receiver component featuring a 14.5" barrel and 5.56 NATO caliber/gauge.
Features
- Barrel Length: 14.5"
- Caliber / Gauge: 5.56 NATO
- Upper Receiver
- 5.56 NATO
- 14.5 Barrel with Pinned and Welded HUXWRX Muzzle Device (16 OAL)
- Fits AR-15
- Matte Finish
- Black
