{TAIL ~ Previous laser related art} used a sensor to record or display a shots placement, not activate {HEAD ~ an electro mechanical device} to advance a fresh target into position 
{ TAIL ~ Previous laser related art } used a sensor to record or display a shots placement , not activate { HEAD ~ an electro mechanical device } to advance a fresh target into position
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH