4's are no longer a practical gun though, but who here doesn't want one to have and to use?
As far as function and practicality, this 700 trumps any 4 bore single or double, especially for ease of use.

Sorry, sorry! Defending the .700 because no one does, it had that rep for being a pore performer. But a fellow who has used one on ele and buff said they're amazing.
Plus I am planning to make one myself (bolt gun, repeater..)

I'll find the video.

Here it is:

https://m.youtube.com/watch?v=EsTKFnThh6Q