Hi Pete

The gold lettering is a type of cocking indicator. When both barrels are cocked the gold line points to the "L". When the first barrel is fired, it moves halfway to the "D". When the second is fired, it moves the rest of the way. BTW, it's on both sides of the receiver.

James

The world cries out for such: he is needed & needed badly- the man who can carry a message to Garcia