Step up to better performance with the Elite Force M4 CFR AEG airsoft carbine. Modeled after the US military issue M4 carbine, this AEG is equipped with an adjustable stock and quad rail. WIth rail mounted iron sights and 8.4 volt NimH starter batter and charger included, this AEG is ready to roll out of the box. Standard PIcatinny mount accessories can be attached to the quad and top rail as well.