£270 sounds like a good price, be wary tho- copies are exactly that. you may find that the wiring, internals, pcb board are inferior quality. and what you save now will come back to bite you. My personal advice would be to either buy a vertical feed mechanical cocker and either e-blade it later or save the diference and buy a second hand factory eclipse cocker. I've had mine for over a year now- touch wood no problems or chops, the marker is heavily used and is as fast as i could ever want or need.
A.B