Bezick Airsoft talks about the Evolution Airsoft Ghost XS EMR Carbontech ETS II Smart Airsoft Gun if it is the best airsoft gun for CQB games. It is a PDW/CQB style AEG that has a short outer barrel and sound amplifier for those who want to go loud. This AEG has a programmable ETU pre-installed, uses a high density Carbontech polymer receiver, and comes with a 6.01mm tightbore inner barrel.