That being noted, as others have said, go rent, stick with quality and get trained
The Taurus Judge, with a rifled barrel, purely sucks as a shotgun-handgun. The patterns are all over the place past 7 yards. Totally unpredictable swirls and tangents.
Closer than 7 yards, why not just shoot them with a bullet? If you are such a bad shot that you need a “shotgun revolver” at 5 yards, you should not have a gun, PERIOD.
Past 7 yards, the pellets will be all over the side of a wall, with many random fliers, due to the rifled barrel.
Did he test the pattern at 10 feet?
Because that’s about what I would consider the effective range of a handheld shotgun.
A “Snakeslayer” two-shot Derringer is rather impressive at very close range, but its effectiveness drops off quickly at distances greater then 10-15’ (apart from its ability to deafen bystanders, that is).