The weapon_mod_call_of_pripyat.zip file you have requested: Call of Pripyat / Mods / Weapon Mod CoP - 455.09kb is not available. Perhaps try browsing all files for the game S.T.A.L.K.E.R.: Call of Pripyat and upload any files you want to share or are missing. This is the only information we could locate:
This mod allows you to jump higher, makes the G36 and IL86 into massive killing machines and ups the ammo cap on both, as well as on the Guass gun. It also adds nightvision to the SEVA Suit.