The gun models will still be enormous at high resolutions. To fix this, add this second command right after the FOV one (separate by a space):
Cry of Fear Widescreen Fix by 'a1batross' (available on GitHub/modDB—search for "CoF_WidescreenFix"). cry of fear widescreen fix
Yes, this works with Cry of Fear: Enhanced Edition (Co-op) and the standalone 2016 version. The gun models will still be enormous at high resolutions
In the same launcher menu, manually select your monitor's native resolution (e.g., 1920x1080, 2560x1440, 3840x2160). Apply and close the launcher. cry of fear widescreen fix
+fov 90