Warzone M4A1 Attachments: Best Underbarrel in Slot to Use

Warzone M4A1 attachments provide players with the opportunity to customize their M4A1 to best fit their playstyle. There are nine attachments categories and five slots available, which means that depending on your engagement type, some attachments, like the underbarrel, will perform better than others.

Here is a list of the best underbarrel in slot to use for your M4A1 in Call of Duty: Warzone to get you on your way to creating a well-balanced assault rifle perfect for mowing down enemies from any distance.

Warzone M4A1 Attachments: Best Underbarrel in Slot to Use

The Best Underbarrel in Slot to Use is the Ranger Foregrip. Unlocked at Level 61, the standard foregrip improves vertical recoil and stabilizes weapon while aiming for improved long-range combat. It sacrifices Aim Walking Movement Speed and Aim Down Sight Speed, but the added damage range is worth it. 

• Commando Foregrip: This underbarrel is a heavy weight angled grip that keeps the weapon steady while aiming, and helps maintain control during heavy fire.
• Merc Foregrip: Merc Foregrip is an extended foregrip that reduces vertical recoil and provides stability from the hip for fast paced guerrila tactics.
• Tactical Foregrip: Tactical Foregrip provides superior control acquiring targets.
• Operator Foregrip: Operator Foregrip helps control vertical recoil for faster follow-up shots.
• Bipod: The Bipod provides stability legs to improve control while using the weapon from the ground.

The remaining underbarrels allow players to equip a mounted grenade launcher or a shotgun. These aren't necessary for Warzone because you have a higher chance of securing a better RPG or Shotgun from loot crates around the map that work much more efficiently.

Check out our Best M4A1 Loadout in Call of Duty: Modern Warfare, and Warzone M4A1 Build: Best Long Range Setup for more information on the M4A1.