Beast Fifty Long Barrel

The Beast Fifty Long Barrel is a barrel for the JAK Harbinger Kit of the M4 Assault Rifle. It is featured in Call of Duty: Modern Warfare III as part of the Aftermarket Parts system and was added as part of the Season Four update.
==Trivia==
*As of Season Four, the barrel doesn't provide any bonus or negative effect when equipped.
Category:Call of Duty: Modern Warfare III Attachments