It's time to watch the most comprehensive review of the DesertTech MDR-X S-AEG from Silverback Airsoft as done by REAPERs Airsoft. The Silverback MDR-X is an airsoft gun that is licensed by Desert Tech LLC. It is a highly realistic replica of the real steel MDR rifle, and features a number of high-quality components that its maker say make it capable of delivering high performance in a variety of applications, from DMR to CQB. S-AEG is a German-spec version of the AEG.