A Striker-12! A.k.a the street sweeper.
Replaces the assault shotgun, the positions of the hands aren’t at their best, but this was what I could do.
Installation: Go to Grand Theft Auto V\Mods\update\x64\dlcpacks\patchday8ng\dlc.rpf\x64\models\cdimages\weapons.rpf\ and replace the files.
Credits:
Jridah