The aks74u_reskin.zip file you have requested: Shadow of Chernobyl / Skins / Weapons / Aks-74U Reskin - 4.42mb 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:
Wood Textured Fore-grips for the Aks-74U in brown or tan colors.(looks the same in the screenshots, but there is a noticeable difference during actual gameplay).