Biggest Iron

You conjure a gigantic revolver. Until all 6 shots have been used, the revolver deals 3d8 piercing damage and doubles damage if you hit a targets weak point

At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the bonus increases to 3 times the damage. When you use a spell slot of 6th level or higher, the bonus increases to 4 times the damage