It's really just some overlays, but what the hell. The reason I say ish is because it's really not that much more quality in the sleeve, but it's noticable otherwise. I included the v_ak47 folder that you only need if you download the re-model of the AK47. If you're a neat freak, you can delete it if you like.
To install just copy the materials to your SourceMods/ZPS directory and overwrite. Readme is slightly more detailed.
If you guys ever see me on Zombie Panic!, I'll probably be as $olid Gold Fever.