Once you’ve progressed deep enough into the game, you can build this SBR using the following parts and attachments: As much as I love using this SBR M4A1 for CQB encounters in Gray Zone Warfare ...

The M4/M4A1 5.56mm Carbine is a lightweight, gas operated, air cooled, magazine fed, selective rate, shoulder fired weapon with a collapsible stock. It is now the standard issue firearm for most ...