The GUM_120.zip file you have requested: Modifications / Gun Upgrade Mod - 1.01mb is not available. Perhaps try browsing all files for the game Soldier of Fortune and upload any files you want to share or are missing. This is the only information we could locate:
Mod: Homez Soldier of Fortune sound mod
Version: 1.2 (added silenced uzi sound)
INSTALLATION: 1) Place the "pakX.pak" file into your "c:Soldier of Tired of the old sounds? Want something better? New versions with more changes will appear in the near future, possibly including a .44 magnum revolver and a M4 assault rifle.