The Combat Machine is a entry level rifle that provides high performance at a good value. The body and the rails are made from a high impact polymer to ensure a lightweight stable platform with fantastically great design. The power is around 350fps and it has a full metal version 2 gearbox with 8mm bearings. The battery is a nunchuck crane stock style which goes in the front foregrip and is not included. This version comes with a 450rd high cap magazine.