In stock at their online store, Airsoft Atlanta reviews the very much affordable G&G Combat Machine CM16 R8-L M4 AEG. Just remember that this will require a Nunchuck NiMH battery to operate... "Today we look at the totally awesome R8-L 'Combat Machine' airsoft gun from G&G. With a full rail system, no iron sights, this gun does feature a built in red dot scope right out of the box