This is an authentic replica of the Thompson Sub Machine Gun: "The gun that helped to change the world". The original was used triumphantly by the US Army Cavalry in World War II. The Auto Ordnance Corporation produced more than 1,750,000 Thompson Sub Machine guns which were used to help repel Nazi Germany from Europe. This is a fully licensed replica with superior detail. Simulated wood stock (looks very realistic) Full automatic or semi automatic Mag Capacity : 380 Rounds Specifications: High power Automatic Electric Gun Velocity 466 with 0.12g and 360with 0.2g BBs Energy: 1.21 Joule Metal body and gearbox with simulated wood grain finish Full metal gear box with reinforced steel gears and metal bushings 2-way adjustable rear sight for windage and elevation Battery and charger included Works best with 0.20g BBs or heavier Weight: 7 lbs Length: 32 inches Comes with: 8.4v 1100 mah NIHM battery pack, 300 mah charger. Battery charge time: 3.2 hours Note : The battery compartment in the butt of the rifle contains a dark grey foam insert. This can be removed using a cork screw or long wood screw to accommodate SDERBAT6-MINI.