Seems to be at least one of these threads floating across /k/ at any given time. They always start out the same, somebody looking to get a pump action shotgun and asking the what of the two would be a better choice.

They usually also end the same. More often then not the thread boils down to people arguing various pros and cons of each one.

In an attempt to put this argument to rest, here's an unbiased thread showing the pros, cons and part by part comparison of each one side by side.