This full metal CO2 SMG is a fully licensed replica of the famous UZI submachine gun. This gun is heavy, shoots hard, and has a very powerful blowback feature. The entire body is made of metal which makes this gun very durable and realistic. The gun has a side folding stock which can be used to shoulder the weapon like a rifle for better accuracy. This airsoft SMG is powered by a standard 12g CO2 cartridge which is housed within the magazine. The magazine capacity is 38 rounds. The gun has an adjustable hop up unit for increased range and accuracy. The sights can also be adjusted. Overall this is a very well made and realistic airsoft gun which is performs well and is very fun to shoot.