Quote Originally Posted by Todd.K View Post
It's 2020, unless you have owned and trained on a pump for the last however number of decades, are currently issued a pump, have a very limited budget, or bad local laws, there is no reason to pick one...

M2 if you are into pain.

+1

A pump gun is a non-starter: It's like asking whether you should buy a single-action revolver or a semi-auto pistol.

My M1 and my M2 are not painful at all. They're delightful to shoot, and the aftermarket support is vast.