407mm Extended Barrel

For other similarly named attachments, see Barrel.

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407mm Extended Barrel
General information
Appears in	Call of Duty: Modern Warfare Call of Duty: Warzone
Type	Barrel
Compatible with	AUG
Cost(Survival)	$1000
Unlocked	Weapon Level 9
Statistics
Pros	+ Damage Range + Bullet Velocity + Recoil Control
Cons	− Aim Down Sight Speed

"Stainless steel barrel extension increases muzzle velocity and extends range. Additional weights stabilize shots but slows handling."

— In-game description

The 407mm Extended Barrel is a barrel attachment featured in Call of Duty: Modern Warfare and Call of Duty: Warzone. It is uniquely available to the AUG submachine gun.