scope mod

i am trying to make a scope mod but i dont know what rez file belongs to scopes lol. i wanna change acog1 to hds-4. oo yea can someone tell me the files for the model of acog1

for the scope Model, not the dot style, it's in GUNS_M_PV_OPTION
for the dot style, not the scope model, it's in UI_HUD_WEAPON since nexon moved it from UI_HUD_OPTION.