Try here: http://forums.gunboards.com/forumdis...h-Pistol-Board
Looks like a sear. Beyond that, well, I've never been tempted to disassemble mine.
"As was the man of dust, so also are those who are of the dust, and as is the man of heaven, so also are those who are of heaven. Just as we have borne the image of the man of dust, we shall also bear the image of the man of heaven. "