If you are going for the tacti-cool thing, why not add a few look good things that are really functional like a Magpul BAD lever, wide "tactical" latch charging handle, Phantom Compensator with the CQB "talons", gold match trigger, etc.
There best "look cool" features are the ones that add USEFUL functionality and work for YOU.
There best "look cool" features are the ones that add USEFUL functionality and work for YOU.