maglight torch be well build and tough I upgrade mine with terralux 300m-ex lead , it now produce a wall of light much brighter than standard bulb or Maglights own lead version . the 6d be quite big and heavy and will not fit in you pocket .  terralux tle-300m-ex lead upgrade kit for -lrb- 4-6 d cell only -rrb- maglite flashlite . 700 lumen with 3 brightness level .