The package contains 3 versions of the hair one with a chalk line, one without a chalk line, and the last one with colored tips.
Path: GTAV\mods\update\x64\dlcpacks\mpgunrunning\dlc.rpf\x64\models\cdimages\mpgunrunning_male.rpf\mp_m_freemode_01_mp_m_gunrunning_hair_01
Credits:
Antarzy