The cop_real_weapon_names_german_v1.zip file you have requested: Call of Pripyat / Mods / CoP: Real Weapon Names - German - 11.63kb 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:
The included file changes the weapon names (and descriptions) to there real life counterparts (only for the german version of the game).