Tang of Jag Precision is back for another video on the Echo1 Troy AEG series, showing you options for batteries to power these AEGs... "In this video we discuss the battery options for the Echo1 Troy M4 series. The Echo1 Troy series has been updated now with some great new standard features that make this an excellent durable starter gun. Metal body, TRX rail system, battle axe stock, 8mm v2 gearbox, metal piston rack, and a host of other features make this gun an excellent value out of the box."