The cop_v.m._1.0_prerelease.rar file you have requested: Call of Pripyat / Mods / C.O.P. Variation Mod - 123.44mb is not available. Perhaps try browsing all files for the game S.T.A.L.K.E.R.: Call of Pripyat and upload any files you want to share or are missing. This is the only information we could locate:
Call of Pripyat Variation mod adds new skins & meshes to the variation of Stalkers in Call of Pripyat, no gameplay changes have been made and is meant to be used with vanilla just to add new skins and variations to the world, many new sorts of Stalkers will be met during your play through the zone, and some optional items have been included. This is the pre-release of the final version, if all turns out well, the actual release of 1.0 will include a few more optional choices.