SP Install:

Open the OIV file with any software that can open a ZIP archive file
Drag the G6320 folder into GTAV/mods/update/x64/dlcpacks
Edit the dlclist.xml in GTAV/mods/update/update.rpf/common/data
Add the following line - <Item>dlcpacks:/G6320/</Item>
Add the following line - <Item>dlcpacks:/lg30meramgtr/</Item>

