CA Gen2 proline mp5 like new with retail box Fullmetal construction upper receiver Polymer construction lower reciever Comes with 1 high cap and 1 mid cap Gen2 internals 8mm bearing gearbox Quick spring change Integrated mosfet Polycarbonate piston Metal cylinder head and piston head Deans and tamiya connectors Comes with normal stock +$40 for riot stock (will include normal stock)