AirsoftNEXT gives his take on the the Arcturus X C.A.T. Explorer 8.5" AEG (AT-CAT-04). According to Arcturus, the AEG is a high-quality AR-15 AEG with a split gearbox, durable metal construction, and a powerful internal mechanism. It features a quick change spring system, ball bearing spring guide, ball bearing piston head, CNC stainless steel cylinder, polymer piston with steel teeth, 18:1 gears, sintered steel gear set, electric trigger "micro-switch", MOSFET, mechanically adjustable Precocking, sealed nozzle, easy-to-use rotary hop-up chamber, 6.02mm precision barrel, and a 24k high-performance neodymium motor with MIM steel pinion gear. It has a BB muzzle velocity of ~350 fps and a rate of fire of +20rps with a LiPo battery.