CMMG AR15 Ejection Port Cover Kit - CMMG Ejection Port Cover (Dust Cover) Kit for AR-15 pistols and rifles, meets or exceeds mil-spec; Includes Ejection Port Cover; Rod; Spring; C-Clip; - At Sportsman's Warehouse, we live for the thrill of the great outdoors. Whether you're hunting, fishing, camping, backpacking, or shooting, having the right gear is key to making every moment unforgettable. That's why we bring you only the highest quality, trusted brands-because your outdoor experiences deserve the best. From expert advice to quality gear and community events, Sportsman's Warehouse is more than a store-we're your partner on every journey. Come explore with us and experience the difference passion makes.