This 28.5" M-16 (D94) style airsoft assault rifle is FULLY AUTOMATIC. The stock on this gun is collapsible to fit any size person. Inner barrel is made from metal.  Best of all you wont go through tons of batteries with this one because this has a rechargeable battery. Simply plug the battery into the wall with the charger cord that is included! 28.5" long. Shoots about 200 FPS. Clip holds about 150 BBs. To comply with laws this gun DOES have an orange tip at the end of the barrel.