The cs_upgrade_all_mod.rar file you have requested: Modifications / Single Player / C to D Titles / Clear Sky Mechanic Upgrade (1) - 1.68kb is not available. Perhaps try browsing all files for the game S.T.A.L.K.E.R.: Clear Sky and upload any files you want to share or are missing. This is the only information we could locate:
This mod make it so that the clear sky mechanic can all the weapons and armour upgrade except the bulldog grenade launcher and the rpg launcherTo install copy the folder in the clear sky directoryPSthis is the first mod i have put u This mod allows the clear sky mechanic to upgrade any weapon or armour.