Upgrade your AR-15 with this durable aluminum ejection port dust cover designed to withstand rigorous use while maintaining a sleek black finish. Crafted specifically for AR-15 M16 and M4 models this standard-sized cover provides essential protection for your firearm's ejection port. The package includes a sturdy ejection port rod and spring ensuring reliable performance and easy installation. Enhance your firearm's resilience and functionality with this essential component.