Sons of Liberty Gun Works SOLGW L89 5.56mm 12.5" No BCG/CH Upper Receiver M4L89UPPER-12.5-556

The SOLGW L89 5.56mm 12.5" No BCG/CH Upper Receiver M4L89UPPER-12.5-556 is designed for shooters seeking a balance between maneuverability and accuracy. This upper features a 12.5-inch barrel with a mid-length gas system, constructed from high-quality 4150 CMV steel. The L89 handguard offers extensive M-LOK mounting options and integral QD sockets, ensuring maximum versatility. Built with a forged upper receiver, it includes a V2 button-rifled barrel and V2 4140 gas block. This upper is perfect for AR-15 builds and does not include a bolt carrier group or charging handle, allowing for complete customization. Sons of Liberty Gun Works SOLGW L89 5.56mm 12.5" No BCG/CH Upper Receiver M4L89UPPER-12.5-556