The Thompson TC contender in 60 caliber is the world's most powerful handgun, and here is my version that uses 30/30 rifle bullets with a Leupold telescopic sight.
This beast is too big to fling into any traditional holster, but it's also not comfortable to stick it under your belt like a regular pistol.
The cold seel tickes your nads and from the side it looks like you have a woody: