Elite Force M4 CQB Advanced

Specs:

Semi/Full Auto
6mm airsoft BB
Adjustable Hop-Up
31.25" long
4.3lbs
Velocity: 330FPS (with .20bb)
AEG
Metal Gearbox
Nylon/Polymer
Magazine Capacity: 250 rounds

Included: 
Gun, Battery, Charger, and Manual