Alexander does a full takedown of the G&G CM16 LMG in this Red Army Airsoft video... "The G&G LMG is based on the Ares Shrike light machine gun, which has a machine gun barrel, a modified upper receiver and bottom receiver with buttstock for the AR-15. To reduce the weight, the upper and lower receivers and the shank are made of impact-resistant plastic. barrel, flash hider and the buffer tube are aluminiume. The pistol grip and buttstock are plastic. According to the manufacturer, plastic is very durable and the receivers made of powdered aluminum alloy. The weight of the machine gun with the full magazibe and batteries is only 4.5 kg, which makes it very, very playable for airsoft player."