Cool idea with the tape.
The shotgun mounted ghost ring sight I looked through recently at a local shop really was unobtrusive.
I guess I should look at under-barrel lights also.
The Williams website is excellent, but my receiver has no "knotches" or vent rib on it, so I can't tell whether their stuff will work.
"No free man shall ever be de-barred the use of arms. The strongest reason for the people to retain their right to keep and bear arms is as a last resort to protect themselves against tyranny in government." -- Thomas Jefferson