(DOWNLOAD THE ORIGINAL MOD WITH THE PROVIDED LINK)
Then Add the Files into this Directory:
GTAV/mods/update/x64/dlcpacks/patchday8ng/dlc.rpf/x64/models/cdimages/weapons.rpf
THEN DRAG THE RETEXTURE .ytd FILES INTO THAT DIRECTORY

RETEXTURE : MR WW

ORIGINAL MODEL : 
https://www.gta5-mods.com/weapons/ak-47-from-call-of-duty-modern-warfare-2-remastered



No person or server is allowed to re-sell/profit off this texture. 
This is a free texture that shall be free on    www.gta5-mods.com
Do not re-upload to www.gta5-mods.com or any other website.