No rock or flames, been interested in Lugers my whole 60 years, collected 30 of 'em ( years that is ) and a gun smith for 32 years, I'll get to blood type as we get to know each other, I myself would not be skilled enough I do not believe to tackle the job, bit I am a bit unsure as to what exactly you are wanting in a sight system....perhaps you may want to go on line to
www.brownells.com and see what sight systems are available today, perhaps find a shooter grade arty top and make the modification to it and use the shooter top when you want to and change back to original top for show/display etc......please do not lurk in the background, contact me/us here if we can help...