Modeled after its real steel counterpart the ProForce release of the SIG SAUER MCX Virtus Airsoft AEG (Auto Electric Gun) Rifle does not disappoint. With a Full CNC machined receiver integrated M-LOK handguard 3-position telescoping stock open full-length picatinny rail for the addition of sights and a modular locking accessory mounting system. The MCX Virtus is an airsoft BB slinging brute with 120 round mid-cap magazine that keeps you active and engaged on the firing line. *Please Note*- Velocity obtained with 0.20g BBs>- For Best results use 11.1V LIPO battery and appropriate charger.- 11.1V LIPO battery is the maximum battery compatible with this rifle.