The KWA M93R Gas Blowback Pistol is featured in this Airsoft GI Uncut video to show its 3-round burst feature... "The KWA M93R 2009 Model is a great update to the previous M93R. KWA has achieved an extremely fast rate of fire by replacing the metal lower receiver with a plastic one, as well as updating the internals of the M93R. This pistol operates on semi-auto, 3 round burst, and full-auto.