Delta Armory Dust Cover Lock for M4/AR-15 AEG

If your dust cover won't stay closed, this will sort it! The Delta Armory Dust Cover Lock for M4/AR-15 AEG is a replacement original parts set for Delta Armory M4/AR-15 AEGs but may also fit other AEGs with similar dust cover designs. The set includes the dust cover lock, lock cover, spring and the mounting screw.