The new E&C 310 M4 CQB AEG is available at Vincent's Hobby Shop. They highlight the gun's features, including a URX 3 quadrail, metal nain PO, foldable and removable front and rear sights, an adjustable stock, an operational charging handle, and upgradeable version two internals. The gun also has upgraded internals reaching 500 FPS and a 6.04 diameter inner barrel, along with a stock long motor. Accessories shown include a red dot, a sound blaster silencer, a three-position retractable stock, a poly battery, and USB charger, a melty quick detach silencer, a 2024 tactical flashlight, an M4 double magazine, and a sling adapter.