Just released last week by G&G Armament, the G&G GR4 100Y AEG is made of plastic which will be made part of the Value AEGs that G&G have been releasing in the past months. This is a blowback AEG that has 8mm gearbox, 233mm inner barrel, folding stock, reinforced trigger side, QD front sight, and 450-round magazine. No pricing yet mentioned, but do check with airsoft retailers who have retail products from G&G.