1:1 scale replica of the M15A1 Vietnam Era rifle M16A1 style full metal body (receivers, outer barrel and carry handle) Iconic triangular handguard and mock teardrop forward assist paired with M16 full stock Full metal and upgradable Version 2 gearbox Adjustable rotary hop-up unit ensures your rounds reach your targets Long precision 501mm inner barrel Battery storage is located inside the stock, giving you plenty of space (mini Tamiya connector) Front and rear iron sights adjustable for windage and elevation Polymer textured pistol grip constructed for comfort and heat resistance Front and rear sling mounts for 2- and 3-point rifle slings Fire selector to engage semi-automatic, full-automatic, or safety mode 190rd M16VN style short magazine with gear wind-up wheel included Item was used only twice. Works perfectly.