Hats (pedprops.rpf)
Use OpenIV - mods - x64e - models - cdimages - pedprops.rpf 
Then drag and replace the files.

Uniforms (componentpeds_s_m_m.rpf)
Use OpenIV - mods - x64e - models - cdimages - componentpeds_s_m_m.rpf 
Then drag and replace the files. 

Uniforms (componentpeds_s_m_y.rpf)
Use OpenIV - mods - x64e - models - cdimages - componentpeds_s_m_y.rpf 
Then drag and replace the files.
  

Remember to make backups.


Credits
Models made by
Dima4887
https://www.gta5-mods.com/users/Dima4887
https://www.gta5-mods.com/player/russian-army

i have only put the wagner patches on it