This is the Elite Force M4 CQC. It’s compact design allows it to be a force to be reckoned with on the field. At an overall length (collapsed) of 23 inches this makes it one of the shortest M4 aegs I have used in my airsoft career. Combine that with rock solid internals and such a sweet trigger and this thing is AMAZING. The M4 CQC is definitely something worth looking into as a close quarter gun.