A quick overview video by Airsoft Sport on the East Crane XM177E2 AEG that they have in stock... "This version has a number of improvements such as steel cylinder, aluminium cylinder head, aluminium nozzle with O-ring, piston with steel comb and damper, and authentic markings on the body."

At Airsoft Sport is the AIM RMT Flip Up Sight which is hand thing for those who want to flip down their reflex sight lenses when not in use... "A brief overview of the AIM RMT Flip airsoft collimator sight. You can buy and get acquainted with more detailed technical characteristics on our website."