Luth-AR A3 Upper Receiver Parts Kit - URPK-A3

This A3 Upper Receiver Parts Kit contains essential components for AR-15 upper receiver assembly, including ejection port cover, ejection port rod, C-clip, spring, forward assist button, spring, and pin. The kit is compatible with standard AR-15 platforms and designed for shooters building or maintaining their own uppers. Installation requires basic gunsmithing knowledge and standard tools.