The LBE Unlimited AR Upper Receiver is a semi-complete component for the 5.56x45mm NATO platform. Forged from high-strength 7075-T6 aluminum, it features a black finish and a dry film lube interior for smooth operation. This unit comes ready for assembly with a forward assist and an ejection port cover already installed. Designed for the standard AR-15, this receiver provides a reliable foundation for custom builds. Please note, this unit requires a barrel, BCG, charging handle, and gas system to be fully functional.