User blog comment:Willbachbakal/Multiplayer Weapons: Double-Barreled Shotgun/@comment-1330314-20100505180102

At point-blank range it deals 66.6 damage. Also, explosive ammo doesn't necessarily deal more damage. Here, for example, the explosion is spread out, acting more like a powerful punch and thus knocking the enemy off their feet. If it were focused into a single sopt, then it would deal more damage.