You guys sure can carry on..."insipid, mouth breathing snobs" and all.
Skippy, you have one of the recent Umarex produced replica PPKs shall we say. Had it been a real, steel PPK, fully machined as in days of old....the price would be far pricer. Your pistol is cast zinc, the grip is almost fully filled to give the pistol an authentic heft similar to the originals. The breech block is pinned in similar to the P22, the barrel is fitted through the frame boss and held on with a sleeve and barrel nut, same as the P22 (this can be a good thing if you are interested in adding a suppressor, the barrel is already threaded for a suppressor adapter). Umarex/Walther did make a noteworthy effort to make the pistol look like the real deal and certain internal parts are similar as well...but the finish and cast marks don't look anything like real roll marks. There are other changes but that should sum it up. And DA is a killer regarding a heavy trigger pull....just cock it and enjoy.
I've shot one a bit and had no more problems with it than you will have with almost any short barrel .22. Nor have I read of any complaints about it like you will read and truly so for a large part, on the P22. Yes the P22 frame halve screws would vibrate loose as would the barrel nut. Slides have cracked, tiny springs have weakened which are essential to proper function of the trigger bar, sharp trigger bar ears dig into the underside of the slide. The rear sight is fragile, early magazines did not feed properly and the slide is fairly heavy which means only the more powerful brands of .22 ammo with reliably cycle the slide. Then there was the really long recoil spring that seemed to give plenty of folks problems. Much of that is sorted by now, captive spring, properly functioning mags, stronger slide and like the new PP you have, both come with a lifetime warranty. My latest P22 cost $225 shipped to my FFL. What's to not like about that. So stories about P22 problems have a good basis in fact although resolving many of them took very little effort but the pistol still benefits from snappy ammo. I expect the latest PP Umarex version will require the same but I'm not sure what the slide weighs.
I'd suggest shooting it and shooting it a lot if you enjoy it. Like the zinc P22 I expect slide to frame longevity will benefit from regular cleaning and the use of very, very light oil. I use dry moly powder myself and no oil on the similar P22 and measurements to critical components are still factory fresh after 40K or 50K rounds. Thread on that soon. I also have a beautiful all steel PPK/s or is it a PPK...I forget. My favorite would be the steel pistol in the PP model with the slightly longer barrel. I find it to be a slightly more handsome pistol....but, that is just me.
I think it is going to be really interesting to see how the new, Walther made steel PPK is going to sell. It is a .380 so there won't be a cast zinc slide or frame but there is a lot of competition out there these days...so we will see. If you like the pistol and think you might like a P22, get one. Catch it on sale, they aren't that expensive. If the rumored .380 sells...who knows, perhaps a steel .22 version might yet show up built similarly to the originals. Hand fitting excepted.
I might add....it is very unlikely these will be heirloom or collector firearms so mixed parts should be of very little concern. I currently have a 2007 frame P22, and someone was nice enough to furnish a 5" barrel, stabilizer, Q slide and Q grip. But internally it is a 2007 model....it's worth is what someone would pay me for it. But, I will shoot it forever....which isn't going to be all that many more years for me. Then someone else can play with it. Some of you guys sure know how to carry on... practice getting to the point like me.
Life is short. 1917