The Luth-AR A3 Upper Receiver Parts Kit is essential for any AR-15 build or upgrade. This comprehensive kit includes all the necessary components: ejection port cover, ejection port rod, ejection port C-clip, ejection port spring, forward assist button, forward assist spring, and forward assist pin. Designed for durability and reliability, this parts kit ensures your upper receiver functions flawlessly. Perfect for gunsmiths and enthusiasts alike, the Luth-AR A3 Upper Receiver Parts Kit is your go-to solution for maintaining your AR-15.