Can you put one of those 17mm ims reflector work in the arc ls i want to go with reflector if its better whats yalls opinion on this? also want to put a ucl in it. I have a arc LSHF-P #013<<<<believe it or not don't know how i got that number ordered one for toolshop.de and they had one left and that was the number got an early number . Weird HUh? so tell me what yall think and also where i can get a tool to remove the retaining ring. Thanks in advanced.