Quads have very low accuracy and use four rounds per shot, but in return, have a high pellet count. It is best to use these shotguns at point-blank range, where the limited accuracy is a minimal drawback. At any range beyond this, the ammo cost is simply too high to make efficient use of it.
Twister: Uniqueshock shotgun which fires a cluster of spherical electric projectiles that quickly morph into a small tornado.
As with all shotguns which use the Torgue quad barrel, it is only available at blue or higher rarity.
The Quad is obtained randomly from any suitable loot source.