I can't comment on how it shoots cause I bought it as a Model Gun and have no intention to do anything with it but admiring it, pull the slide and pull the trigger from time to time.
The black paint is beautiful but comes off pretty easily. It would also match revolvers better than the Walther. I love it nonetheless.
Cons:
The packaging doesn't protect the gun as there's nothing but a small piece of bubble plastic to prevent it from moving in.
The moving slide doesn't slide as far as the real one.
The magazine doesn't look realistic.
The glossy black paint wears off pretty quickly.
There are missing details on the right side of the gun.
Pros:
It's all Metal it's heavy and looks serious.
The fake wood plastic grips are good enough to me although they should look like bakelite.
I like the black gloss paint a lot.
You can disassemble the gun (but don't ever disassemble the slide cause the spring would be a nightmare to re-fit)
The price is fair.
I love the replica as it is, and don't feel any urge to find anything more accurate one for now.