The .38Spl Charter Arms Undercover was a wonderful design, and some of the early ones like I've got were damned good. But I must stress the "some". As that company declined, QA went into the toilet. Under "Charco", things were even worse.
The newest Charter 2000 company seems to have settled on "low end". Too bad. IF they'd realized that the design was first rate, and targetted the $300 price range (instead of $200) and done final polishing/tuning, they'd have had something, but the name had been dragged through the mud by Charco so they couldn't get $300 a pop, so...it's back to toilet-land.
That's the .38.
The .44Spl is another matter, the first ones were OK for a while, until they shot loose, the newer ones you couldn't pay me enough to test-fire. It's basically not enough metal for the bullet power involved.
If you know what to look for in a classic Undercover .38, and it tests good, cool. It really is an excellent design. Look for an open ejector rod, "Charter Arms" instead of Charco :barf:, a browned-steel frame, blacked-out aluminum barrel shroud and grip frame/triggerguard, and a case-hardened hammer. It has no sideplates - the lockwork and grip frame slip up inside the main frame just like a Ruger SA; the designer left Ruger in '64 and took that concept with him.
The .44Spl needs an L-Frame size range, and at that size you can get a 7-shot .357, so I don't see the point.