The il86_retex.zip file you have requested: Clear Sky / Skins / Weapons / IL 86 Texture Tweak - 2.31mb 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:
The L85A1 (otherwise known as the IL 86 in the zone) had a cover on the flash eliminator(??!!), so I took it off, and tweaked the colours a bit. Also added a new, more realistic SUSAT scope texture.