I saw this weapon being used by the marines in the cod mw 2019 campaign and decided to bring it to the game.
Install
1. Open OpenIV
2. Go to update/x64/dlcpacks/patchday8ng/dlc.rpf/x64/models/cdimages/weapons.rpf
3. Drop the files
4. Enjoy
Credits:
Evandrotorquato