A high-quality replacement for the standard MP5. The only downside of this model is that it eats fps, but if you have a powerful computer, that's no big deal. The model is similar to STOKE M4A1A
Author: (Dark-Moon) Pein and StoKe
Installation:
Copy the contents of the archive into the valve folder of your game and agree to replace the files. If there's a valve_russian folder besides valve, copy them there too.
Read more here on how to install Half-Life models
Download: