The MP5Kit.zip file you have requested: Modifications / Poly Queen MP5 Kit - 382.29kb is not available. Perhaps try browsing all files for the game ARMA: Cold War Assault and upload any files you want to share or are missing. This is the only information we could locate:
This is an origianl H&K MP5 DIY Kit by Poly Queen. It is not finished and has a high poly count and so needs some work and also textures and LOD's but is available for anyone to base thier MP5's off. Enjoy An original MP5 kit by Poly Queen, use it to make your own.