Bantha Bill of Airsoft GI gives us an overview of the Echo1 USA Troy TRX AEG Series in this video... "ECHO 1 brings us the newest Troy TRX series of Airsoft AEG's. The Troy series by Echo1 has always been trusted and now they have been updated with some slick new accessories. The new Troy lineup now comes standard with features such as a metal body over the previous polymer version, TRX rail system, Battle Axe grip, Battle Axe stock, flip up sights, custom trigger guard, and extended magazine release."