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The Advanced Auger-FS is a superior and modified version of the Auger WS. It is colored golden brown and silver, as opposed to its common black color, and has a red lighting near the barrel. It was owned by Roland Mallery, who is responsible for making his custom-made Auger. James Grayson acquires it after he kills an infected Mallery.
The bolts fired from the Auger-FS cause more damage and the shield lasts longer. The shield will completely encircle the user in a protective sphere in contrast to other versions. The shield is also similar to the Backlash Grenade, since all incoming attacks are deflected back into the enemy that fired the shots. Over time the Auger gets energy to generate another shield, so finding ammunition for the shield is no longer an issue.