The Spikes Tactical AR-15 Ejection Port Door is a high-quality replacement or spare part designed to enhance the functionality of your AR-15. Constructed from durable stamped steel this ejection port door is built to meet mil-spec standards ensuring reliability and long-lasting performance. Its black phosphate finish not only provides a sleek look but also adds an extra layer of protection against wear and corrosion. Whether you're upgrading your rifle or need a dependable spare this ejection port door delivers exceptional quality and precision.