The ballistics_mod_v.4_hotfix.rar file you have requested: Clear Sky / Mods / Weapons / Ballistics Mod v.4 Hotfix - 4.03kb 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:
In the original mod the MP5 crashes the game. Here is a quick hot fix for it.