It looks like they did their R&D and/or marketing research to come up with this by sending out a survey to online gamers.
Somebody at mossburg watches toooo many zombie movies and checks with hollywould on firearms design,
really guys the chainsaw looks like a useless toy
From the people who brought you the "Rolling Thunder" shotgun with the "Image Enhancer" muzzle device:
Comes the Model 500 "Chainsaw":
Oh, and a "Blackwater Edition" 500 Cruiser and 930SPX...
That's what I thought of when I read the OP. IMHO, that thing is on a whole different level of awesome than the "500 chainsaw". At least if you're going to do it, do it right, make it FA and put a chainsaw style rear grip on it. Mossberg just can't get it right...