DPMS AR-15 Ejection Port Cover One Size. Whether you are keeping a spare on hand or repairing your AR-15 DPMS has everything you need. Specifications for DPMS AR-15 Ejection Port Cover: Manufacturer: DPMS Color: Black Gun Model: AR-15 Gun Make: AR Platform Package Contents: DPMS AR-15 Ejection Port Cover What firearm models does the manufacturer say DPMS AR-15 Ejection Port Cover is compatible with? The manufacturer suggests that DPMS AR-15 Ejection Port Cover is compatible with AR-15DPMS DP1192: AR-15 Ejection Port Cover One Size