Pics and/or parts list?
ROPs are great. I love my 2C Mag ROP-Lo build.
UCL lens, MOP reflector, 3854-Lo bulb, download's Mag C Tower, 2x25500 Li-Ions, and one of FM's tailcaps.
It has a beautiful beam and should run for over an hour per charge; it also seems like a lot more light than it's...