stock GI 1911s are only marginally reliable with hardball ammo,
This has not been my experience. Quite the opposite. I have found GI spec 1911/A1 guns to be VERY reliable with hardball ammo. The 1911's reputation for reliability didn't come out of thin air, it came from combat service. Yes, of course its overblown, the 1911 was NOT 110% always works no matter what reliable the way the legend suggests, but they were MORE reliable in combat conditions than the pistols of our enemies (or our allies), and that's where the reputation got started.
I think the other problem with the Luger being a long-term success was the toggle mechanism being a dead end.
In a pistol, it turned into a dead end, but the toggle system works well, it was the heart of the Maxim machine gun, and is used in the Belgian MAG 58 machinegun, which is our M240 today.
Another nail in the coffin is that Lugers were never designed to use todays 9mm ammo. What was available when Lugers were originally made would be considered hotter by todays standards.
How do you define "hot"?? I'm not going to get into pressure numbers, the differences between old and new system of measurement make direct comparisons difficult.
Original 9mm Luger ammo was a 124gr "truncated cone" FMJ at 1050fps from the 4" Luger barrel. Take a look at that number, ONE THOUSAND AND FIFTY FEET PER SECOND. Shortly before WW I, the load was changed to a 115gr FMJ at 1150fps from the 4" Luger barrel. ELEVEN HUNDRED AND FIFTY fps.
This is what the Luger was made for, and what it was used with. Not hot by today's standards.
That matches a time-honored, and very weird, US tradition of downloading European military ammunition significantly.
Post WW I, when there were a significant number of both 7mm and 8mm Mauser-chambered rifles available, American companies loaded rounds than robbed anywhere from 15 to 25 percent of the round's potential.
It's as if American companies didn't think anyone in Europe could build a safe gun...
It is interesting that all US ammo makers did "underload" European cartridges. Officially it was concern for older, weaker guns, but personally, I think it was done to make American cartridges (and their guns) more attractive to American buyers.
The P38 was a more modern double-action design. They were produced at the same time for a while. The problem with the Luger was that it took more time and careful machining to produce. As the war went on, Germany couldn't afford that luxury.
The P.38 was adopted in 1938, and produced from then on. The Luger was adopted by the German Army in 1908 (the Navy adopted it in 1906), and production ended in 1942. And yes, the reason was cost, not just $ cost of each unit, but the cost in time, of skilled workmen and machines that could be making more important and useful things.
Remember that the Italians were using TWO 9mm cartridges at the time -- the 9mm Glisenti and the 9mm Luger.
The Glisenti was dimensionally identical to the 9mm Luger but was significantly less powerful.
And, soldiers are seldom noted for recognizing fine technical distinctions in captured items written in foreign languages.
With a few minor exceptions, the only things that went back to England from North African were convalescing wounded, troops being reassigned/refitted, and small amounts of captured enemy equipment sent for detailed technical evaluation. Shipping useful quantities of captured 9mm ammo back to England for future use simply would not have happened while there was active combat in the theater.
ok, back to the Luger, One of the reasons you don't see reproduction Lugers, is that anyone wanting to make one, also has to make the tooling. Mauser, when they did their run in the 70s, made the Swiss pattern Luger (one of the lesser desirable variants, which further limited its market appeal) because the only tooling still existing was in Switzerland.
Lugers point very well for a lot of people. Numerous famous gun writers from the pre WWII era on have said so.
The Luger safety is in an awkward place, for those who follow American ideas. European gun designers had different ideas. There are a lot of European gun designs (rifle and pistol) where the safety is awkward or even impossible to operate with the shooting hand, in the firing grip. This is intentional! The designers intended the safety to be operated with the "off" (non firing) hand. Like wise many European service pistol holsters are "luggage cases" with straps and buckles. It was a different school of thought than what was popular in America.
The Luger is iconic, a piece of history. Even if it could be made economically competitive with other designs, it is ergonomically inferior to more modern pistols. It does point beautifully for me, and I find the toggle actually easier than SOME slides, but again, that's just me.
Its not that they can't make Lugers today, tis that they can't make them and sell them for enough money to make it profitable.