Serrated trigger?
 

Shooting my 1970 9MM Mauser last night I felt my finger tip sliding off the trigger face, and have noticed that many times while shooting smooth trigger guns. Did anyone ever produce a serrated trigger for a Luger? If not I may look for a trigger on line and serrate it myself in the lathe. Thanks,
parts

How many joints in your finger?

Hi:

Georg Luger tried a slightly different style trigger in his .45 creation for the US Army trials. He moved the curve of the trigger down to the end of it, for better leverage.

Here is an idea for you (from boot camp marksmanship training). Align the exact middle of your index finger and the exact middle of the trigger (it is plenty wide already for a pistol trigger). Don't let any other part of your index figer touch any other part of the trigger or trigger guard. Apply consistent, but ever increasing pressure until the trigger breaks the sear and the pistol fires.

For me, after I got familiar with it, the Luger has a pretty darn good trigger for targeting, which is just what I do with my Lugers.

By the way, the Mauser Parabellum triggers I have tested and fired are really quite good. They must have spend a little more time with the sear angles, etc., as they seem to break quite lightly and smoothly.

Sieger

I did the common procedures for lightening the trigger pull, but it's still pretty bad (6.7 lbs.) that are about twice what my 1911's have. I'm convinced that the gun without the excessive trigger pull plus finger pad slippage would be my most accurate handgun.

Is that an attempt at ridicule? My fingers are like yours except when I use them to type I try to go by the golden rule.
The best trigger technique, I believe, is to use the last third of the finger from the last joint to the tip, because that is the area with the most sensitivity, to apply pressure on the trigger using the crook of the last joint is not my concept of best technique, though you may not agree.
There are many fewer nerve endings in the area of the joint so the slightest feedback from the ignition train cannot be felt as well.

Unfortunately with a heavy trigger weight and a smooth trigger face that is the only way I can apply enough force to fire the gun, with serrations the extra adhesion would permit the method I was taught was the superior tactile functioning. If the trigger weight is down around 3-4 lbs. either method can be used, or at least that is my experience.

In 50 years of selling luger parts, I've never seen a grooved or checkered PO8 trigger. I do have plenty of the standard smooth ones available. TH

Apply tiny piece of friction tape to the face of the trigger. Instant grip.

wear Nomex gloves.

I wonder if it might be possible to install a trigger shoe that already has the serated grooves on it?

Ten minutes with a Dremel cut off wheel will yield crude but serviceable checkering for a Luger trigger.