Arty adjustable front and rear sight question
 

Is there a special tool required in order to adjust the front and rear sights of an artillery Luger? My pistol has both adjustment screws but the cap of the screw has two holes rather than a slot. Just curious...

yes, there is a special tool

Decker,

You can make your own:
https://forum.lugerforum.com/showthr...highlight=arty

Karl

They call 'em "snake-eye" heads. Making a driver bit (or having a handy person do it) would save the risk of breaking an original. The brass ones online are vulnerable in this way. The format is used for security screws, so there might be such a creature available off the shelf somewhere. Probably metric?

The screws have likely not been turned in many years and may be "frozen" in place. I'd use a penetrating oil to loosen them and let them soak for days before trying to adjust them.