Tacfire AR-15 Dust Cover .223/5.56/.300 Blackout, Black - MAR093

TacFire's AR15 dust cover seals the ejection port from sand, dirt, or debris. It comes with a knurled rod.This model has a black finish.The dust cover seals the ejection port (which allows spent brass to exit the upper receiver after firing) from allowing contaminants such as sand, dirt, or other debris from entering the mechanism.