Originally Posted by canind09
Also noticed that Buyairsoft's G&G m4 CQB is included with a battery, a charger, and a safety glasses. That I do not think G&G m4 CQB makes plastic version (upper reciever).
on the website it says "The upper receiver is constructed of a very hard/ cold to the touch Nylon/Fiber composite"
Nylon/Fiber composite is not metal