the SIG Sauer Proforce MCX VIRTUS comes with a 120-round M4 / AR-15 style mid-cap magazine, and it would take most M4 / AR15 style electric airsoft magazines on the market, with all these bells and whistles, the MCX VIRTUS airsoft rifle is a force to be reckoned with. Being modular, ambidextrous, and compatible with many existing M4 / AR15 AEG accessories, this MCX AEG is the rifle to have if you are looking for a compact rifle that is not just another M4.
