Destockage Games' product presentation features the Desert Eagle .50AE AEP that is Lipo-ready and equipped with a MOSFET... "Here is the famous DESERT EAGLE .50AE under Magnum Research license! This AEP is equipped with a mosfet and a reinforced internal. A 7.4v - 550mAh LiPO battery is supplied. Full metal, semi and full-automatic, adjustable hop-up... So are you ready to play?"