Now that's an idea Duck! Could make it a proper sacrilege by adding an M4 stock to it
Anyway, here's my very ghetto rigged trishot shotgun with a sawn off grip and laser pointer:
A flashlight would be more practical but I use this mostly as a run and gun weapon so the laser makes it easier/more accurate when I hip fire it - which is quite a lot because it feels badass haha. Very reliable gun and is always in my kit bag in case my other weapons fail me.