Aero Precision M4E1T Complete Upper 16" RM15 5.56/223 - APAR700705M7

This is a complete AR-15 upper receiver assembly featuring a 16" barrel chambered in 5.56 NATO/223 Remington with Aero Precision's M4E1T design. The upper includes an integrated rail system (RM15) and comes fully assembled and ready to mate with a compatible lower receiver. Installation requires standard AR-15 assembly knowledge and tools.