Bad Influence Airsoft GR does an honest review of the licensed MDR-X AEG produced by Silverback Airsoft. This is made of high-quality polymer and aluminum, weighing only 2.7 KGs unloaded. It features ambidextrous controls, a top Picatinny rail, an M-Lok handguard, and a 14mm threaded outer barrel. Internally, it has a quick-change spring system, an adjustable hop-up with 32 positions, an 18:1 gear set, and a high torque short-axis motor. It is also 11.1v battery ready.