Greyman Adjustable Billet Dust Cover. Available in our 5-standard colors Adjustable to insure it fits any mil-spec and most billet uppers and ejection port Comes with all hardware needed for installation Made from aircraft grade aluminum

Timber Creek Outdoors Billet Dust Cover.  Available in our 9-standard colors  Fits any Mil-Spec upper ejection port  Made from aircraft grade aluminum  Only available through our dealer network