In other words - is a newer pump like the Nova or BPS as fast as a newer semi auto?
That's a trick question, since in this regard, the Model 12 is unique.
There is no autoloader as fast as a Model 12 in the hands of someone who knows how to shoot a Model 12. The simple reason is that the Model 12 has no disconnector. All you have to do is hold the trigger back and shuck the cob. With practice, you can do it fast and