A&k m249 heavy weight 1.5j at 18rps on a 11.1 Asking 375 Bullcraft m4 stock adaptor Bullgear Hopup Prommy barrel Pa piston Pa piston head Pa cylinder Pa cylinder head Pa nozzle Pa rhop bucking 22tpa Neo motor 20 amp switch Gun shoots great and gets excellent range Gun is used and a little rough and missing some external bits but nothing that effects the function of the gun Asking 375