Booligan Airsoft goes over the G&G RK74-E which was revealed early this year. This AEG has a the ETU and MOSFET installed and can be programmed for 3-round bursts. It also comes with a 6.03mm tight bore inner barrel as standard... "G&G has been teasing these models for quite some time now, but now I have a nearly production ready model in my hands for your enjoyment!"