My two cents:
Early pistols range is too high in comparison to other weapons and later handguns (15 - starting pistol, 20 - Diablo versus 18 - AK47, 14 - Warhawk). I suggest 12 range for starting pistol and 13 for Diablo, I use these settings, it looks good.
Your mod is great, Podbeksky, well done. But there is a difficulty settings problem: Veteran is too easy for me, Insane looks too hard.