If that’s the case, here’s how to build an M4 in Gray Zone Warfare based on the iconic CAR-15 used by Special Forces in Vietnam. How to Build the CAR-15 M4 in Gray Zone Warfare It’s ...

Once you’ve progressed deep enough into the game, you can build this SBR using the following parts and attachments: Related: How to Build the M4 CAR-15 in Gray Zone Warfare As much as I love ...