Reapers Airsoft reviews the Lonex OSIRIS With the Begadi CORE EFCS AEG. As this is a made for Germany use AEG, this fires semi-auto only. It features the Lonex A1 Supreme High Torque Motor, Slong "Dual" flathop rubber, MOSFET which is the Begadi CORE EFCS, and a CNC-machined 10" aluminium M-Lok handguard.