The ol2.2_aresenal_mod.zip file you have requested: Shadow of Chernobyl / Mods / Total Conversions / OL2.2 + Arsenal mod - 11.85mb 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 a patch to merge Oblivion Lost 2.2 with Arsenal RC1. And I edited the gameplay files, so the different factions are using (mostly) different weapons.