Small arms damage changes for the current version of the game. The damage was reduced because the maximum infantry's xp was reduced by the developers in one of the updates This will increase the survivability of infantry in combat.

Was and became
Rifle / Sniper Rifle - 163 / 137 / 99 → 121 / 93 / 75
Autorifle - 163 / 129 / 85 → 106 / 72 / 58
MG - 158 / 138 / 97 → 118 / 88 / 69
MG 12.7 - 461 / 366 / 247 → 274 / 221 / 153
Smg - 101 / 74 / 25 → 74 / 52 / 25
Pistol - 93 / 60 / 22 → 60 / 45 / 22

Mod updated to patch V 1.029.0

damage from explosives x1.5 → x2

Patch for Content update III