The realgunnames_polish_version_0.2.zip file you have requested: Shadow of Chernobyl / Mods / Weapons / STALKER Real Gun Names (Polish) - 8.42kb is not available. Perhaps try browsing all files for the game S.T.A.L.K.E.R. Shadow of Chernobyl and upload any files you want to share or are missing. This is the only information we could locate:
This is an update to the Polish Weapon Names mod. Basically, this mod changes the names of all of the guns in the game to reflect their real world counterparts. It also changes the descriptions of the guns and ammo.