The pak4.zip file you have requested: Skins / Chrome gun skins - 139.66kb is not available. Perhaps try browsing all files for the game Kingpin: Life of Crime and upload any files you want to share or are missing. This is the only information we could locate:
Chrome everyting; weapons, shells, hmgclip, and pistol mods. There so chrome, the're mirrored. Extract file to your Kingpin folder.