You're browsing the GameFAQs Message Boards as a guest. Sign Up for free (or Log In if you already have an account) to be able to post messages, change how messages are displayed, and view media in posts.
Shotguns are nice and all but none will put out the damage that the DPUH puts out. Plus, if you're running rubi/grog (should be grog because rubi sucks now), Divergent Likeness gives the DPUH +40% damage. So yeah... no justifiable reason to using shotguns with the grog.