In this episode of Evike.com's "The Gun Corner", Matt goes back to the A&K GR-300 Full Metal AEG which is based on the Z-M LR-300 Assault Rifle. Not exactly a new AEG from A&K as this was first released way back 2008, as far as we can recall. It has a full metal receiver, a side folding stock, and a 20mm flat top rail receiver.