The pm_pb_retextured.zip file you have requested: Shadow of Chernobyl / Skins / Weapons / Retextured PM and PB - 998.77kb 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 mod retextures the PM and PB pistols in the game to have better textures.